Abstract: A first operation mechanism 3 includes a first driving source 30 which generates a driving force based on a drive command and a first driving mechanism 32 which inclines a left-side traveling pedal 1c by the driving force from the first driving source 30. The first driving mechanism 32 has a first abutting portion 32a which abuts a pedal surface of the left-side traveling pedal 1c and a first driving unit 32b which inclines the left-side traveling pedal 1c by inclining the first abutting portion. The first driving unit 32b is arranged in a position shifted to a lateral side from a space in which the first abutting portion 32a moves.

Abstract: A height detection system of a motorcycle for determining a load-dependent height of a rear carrier part in relation to a rear wheel swing arm of the motorcycle includes a measuring device connecting the rear carrier part and the rear wheel swing arm for measuring the distance between the rear carrier part and the rear wheel swing arm, and a fastening web formed integrally and protruding from the rear carrier part in the direction of the rear wheel swing arm. The fastening web includes a lateral bearing face configured to receive a rear carrier end of the measuring device.

Abstract: Provided is a straddle vehicle that allows for high design flexibility, that can absorb strong shocks applied in the up-down direction, and that can avoid contacting obstacles on the ground. The straddle vehicle includes a supported structure and a shock absorber. The supported structure includes a first element that performs a first function and a second element that performs a second function, the second element being located above a rear of the first element. The shock absorber includes an upper mounting portion and a lower mounting portion. The lower mounting portion of the shock absorber is connected to a swing arm, and the upper mounting portion of the shock absorber is connected to the second element.

Abstract: A suspension system for two-wheeler vehicle is disclosed. The system includes a rocker arm configured to transmit motion from a wheel to a spring element of a shock absorber using a rocker arm link, a length adjustable unit configured to adjust the length of the rocker arm based on a position of the rocker arm link upon moving a swing arm in up and down direction; to regulate the springing operation of the rear wheel based on the length adjustment of the rocker arm, a shock absorber configured to absorb vibrations.

Abstract: The invention discloses a foldable bicycle and electric bicycle frame, comprising a girder and a rear fork, wherein the girder and the rear fork are connected to a rotating shaft through a bearing; both sides of the girder are provided with fixing holes A, and the girder is connected to the upper part of a hinge through the fixing holes A; the lower part of the hinge is provided with fixing holes B, and the hinge is connected to the upper part of a shock absorber through the fixing holes B; the lower part of the shock absorber is connected to the rear fork through a fixing hole C; both ends of the rear fork are provided with end covers. The invention has a simple structure. The invention can be used for folding bicycles and electric bicycles.

Abstract: An arrangement for a bicycle frame including two rear frame members, each rear frame member including at least one first connection point at the front of each rear frame member, and one other connection point at the back of the rear frame member for a wheel, the at least one first connection point including a component for facilitating connection of the rear frame members via an axle, and the axle interlocking the rear frame members in a fixed position to each other. A bicycle frame and a corresponding method of manufacture and method of assembly are also presented.

Abstract: A single-sided swing arm for a motorcycle having a traction means for driving a rear wheel of the motorcycle, the swing arm having a first section for rotatably supporting the rear wheel and second sections for pivotally attaching the swing arm to a structural member of the motorcycle. Geometrical centers of the first section and of the second sections define a virtual swing arm center plane, and a rocker arm with an upper side is between the first and the second sections. The rocker arm has a first side wall region and a second side wall region substantially opposite thereto, and the second side wall region extends into the region of a second section; the two side wall regions are connected to one another by a stiffening girder designed for the passage of the traction means. The stiffening girder extends into a region below the swing arm center plane.

Abstract: A core of the electric motorcycle includes a monocoque that partially encloses a housing for a motor and gearbox. Separate suspension mounts attach to the core, which permits them to be exchanged for other mounts to provide different suspension geometries. A power electronics unit attaches to the front of the monocoque. The shape of the monocoque allows for the proper positioning of the center of gravity of the motorcycle in order to provide a balanced ride.

Abstract: A straddle-type vehicle (100) includes a frame (20) and an engine (10) mounted on the frame (20), the engine (10) includes a cylinder head (11) positioned toward the rear end of the frame, and located below a saddle seat (80). The cylinder head laces toward the rear end of the frame, which allows the heated cylinder head of the engine and the exhaust pipe connected to the cylinder head to avoid contact with the vehicle the user's legs while riding the vehicle, so the effect of heat emitted from the cylinder head on the rider's experience is reduced.

Abstract: Provided herein is an auxiliary hybrid system (AHS) that may be configured to provide electrical propulsion to an e.g., internal combustion-powered vehicle through the use of a battery and electric motor. Alternatively, the AHS may be configured to increase range to electric vehicles through the use of an internal combustion-powered generator. In either embodiment, the AHS is added to a vehicle without altering the operation of the vehicles standard drivetrain, allowing the vehicle to operate conventionally when the AHS is not engaged. The AHS is compatible with a wide range of vehicles with a minimum of vehicle-specific parts.

Abstract: A two-wheeled vehicle includes a frame having a front frame portion, a mid-frame portion, and a rear frame portion. The mid-frame portion is coupled to the rear frame portion and the front frame portion. The vehicle further includes a plurality of ground-engaging members for supporting the frame. The front frame portion is removably coupled to the mid-frame portion with a plurality of frame members extending between the front frame portion and the mid-frame portion.

Abstract: A bicycle frame includes a front triangle that has a top tube, a down tube, and a seat tube. A bottom side of the top tube includes a cavity. The bicycle frame also includes a seat stay assembly that has a first seat stay, a second seat stay, and a seat stay yoke that connects the first seat stay and the second seat stay. The seat stay yoke is configured to at least partially fit within the cavity on the bottom side of the top tube. The bicycle frame further includes an inline shock assembly that has a stanchion and a shock. At least a portion of the stanchion is configured to fit within the seat stay yoke.

Abstract: A front fender fixing structure for a dirt bike includes a front fender and a fixing plate. The front fender includes a connecting portion and a plurality of first locking holes. The connecting portion includes a plurality of first engaging members arranged in an array. The fixing plate includes a plurality of second engaging members arranged in an array and a plurality of second locking holes. The second engaging members correspond to the first engaging members. The first locking holes correspond to the second locking holes. The fixing plate is fixed to the connecting portion by the first locking members and the second locking members that are arranged in an array. Because the first and second engaging members are arranged in an array, when the fixing plate is placed on the connecting portion, the fixing plate can be fixed at the adjustment position without moving because of locking screws.

Abstract: A bicycle frame includes a front frame assembly and a rear frame assembly pivotably connected to the front frame assembly. The front frame assembly includes a bottom bracket shell, a seat tube extending from the bottom bracket shell toward a saddle support, and a forward shock attachment point statically located on the seat tube between the bottom bracket shell and the saddle support. The rear frame assembly includes a chain stay fork including a chain stay yoke. A chain stay extends from the chain stay yoke to a rear wheel forkend. The chain stay fork includes a rearward shock attachment point statically located on the chain stay yoke. The forward shock attachment point and the rearward shock attachment point cooperate to position a suspension shock between the front frame assembly and the rear frame assembly behind the seat tube.

Abstract: A chain adjustment system and apparatus are provided, the chain adjustment apparatus comprising an end cap for a motorcycle swing arm having an elongated adjustment member, two or more mounting portions defining apertures for detachably affixing auxiliary implements, and a housing.

Abstract: A frame structure for a motorcycle includes a main frame for supporting a front structure of the motorcycle, the main frame including a pair of main pipes extending rearward from a head pipe of the front structure; a pivot bracket including a metal plate, the pivot bracket connected to the main frame and including a rear cushion mounting portion and a swing arm mounting portion for swingably mounting a rear cushion and a swing arm. The main frame further includes: a pair of support pipes extending rearward from the head pipe for supporting the front structure; and a connecting portion jointly connected at a rear end of the pair of main pipes and the pair of support pipes for connecting to the pivot bracket. The rear cushion mounting portion is positioned forward of the connecting portion of the main frame when viewed from a side view of the motorcycle.

Abstract: A method and apparatus are disclosed for cooling damping fluid in a vehicle suspension damper unit. A damping unit includes a piston mounted in a fluid cylinder. A bypass fluid circuit having an integrated cooling assembly disposed therein is fluidly coupled to the fluid cylinder at axial locations that, at least at one point in the piston stroke, are located on opposite sides of the piston. The cooling assembly may include a cylinder having cooling fins thermally coupled to an exterior surface of the cylinder and made of a thermally conductive material. The bypass channel may include a check valve that permits fluid flow in only one direction through the bypass channel. The check valve may be remotely operated, either manually or automatically by an electronic controller. A vehicle suspension system may implement one or more damper units throughout the vehicle, controlled separately or collectively, automatically or manually.

Abstract: A motorcycle frame includes a head pipe, a pair of front main frames, and a pair of rear main frames. The pair of front main frames separates in a vehicle width direction from the head pipe, extends toward a power engine that is located on a rear side of the head pipe, and includes power-engine fixing parts that are fixed to the power engine at positions that overlap with the power engine as viewed in the vehicle width direction. The pair of rear main frames extends rearward from the power-engine fixing parts of the pair of front main frames.

Abstract: What is disclosed is a drive device for a bicycle driven by an electric motor, having a main frame having a swing arm bearing, and a rear linkage element arranged at the swing arm bearing. The drive device has a pedal crank as a first drive for providing a first drive force, having a first drive shaft, a center electric motor as a second drive for providing a second drive force, and an output element having an output shaft, configured to receive the first and/or second drive forces and transfer same to the bicycle wheel to be driven. The center axis of the output shaft is radially distanced from the center axis of the first drive shaft and the output shaft is arranged relative to the swing arm bearing such that a radial distance between the center axis of the swing arm bearing and the center axis of the output shaft is smaller than a radial distance between the center axis of the swing arm bearing and the center axis of the first drive shaft.

Abstract: A position adjusting device, which adjusts the position of a seat in a height direction, includes a seat support plate that supports the seat and a rotary link that rotates integrally with the seat support plate when the position of the seat is adjusted. The seat support plate includes a front portion that is positioned directly under an occupant's buttocks when the occupant is seated in the seat, and a rear portion that is positioned on the rear side of the front portion. The rotary link includes a front link and a rear link that are provided at positions different from each other in a front to back direction. The front link and the rear link are mounted on the front portion, and the width of the front portion is smaller than the width of the rear portion.

Abstract: A supporting structure for a shock absorber of a suspension device of a utility vehicle includes a pair of right and left shock absorbers, and a transverse frame extending in a vehicle width direction. The both shock absorbers are supported on the transverse frame by one bracket from below the transverse frame, and the transverse frame extends from both sides of the bracket toward the outside in the vehicle width direction in an upwardly inclined manner.

Abstract: An axle mounting system includes a pair of axle supports each to be positioned within a respective one of a pair of openings and each having an axle support hole therethrough, a pair of positioning chips each to be positioned within a respective one of the openings and each having a hole therethrough to receive a respective one of the axle supports, and a pair of fixing nuts each to secure the respective one of the axle supports within the respective one of the openings.

Abstract: The vehicle includes a frame member to be suspended relative to the ground. The suspension of the invention includes an arm (such as a swingarm), a slide link, and a control link. The arm having a first end and a second end; it extends between the frame generally at the first end and the ground-engaging member generally at the second end. The slide link is coupled between the frame and the arm. The slide link is rotationally fixed to the arm to rotationally move therewith. It is pivotally secured to the frame. The control link is also coupled to the frame and to the arm.

Abstract: Disclosed is a suspension for a bicycle. The suspension has a swingarm having a front and rear end and wherein the rear end is configured to attach to a rear wheel of a bicycle, an upper and lower link both adapted to pivotally connect the swing arm to the frame of a bicycle, and a jackshaft having a drive side and a non drive side sprocket and being connected to the front end of the swingarm, the suspension configured such that when in use with a bicycle, a chain connects a drive side front crankset to the drive side jackshaft sprocket and a second chain connects the non drive side jackshaft sprocket to a rear wheel sprocket and wherein the arrangement allows the rear wheel of the bicycle to move rearward and upward in use.

Abstract: A vehicle body includes a vehicle frame and an engine assembly, and further includes an intermediate supporting frame connected between the vehicle frame and the engine assembly. A first cushioning device is provided between the intermediate supporting frame and the vehicle frame. In the application of the vehicle body, since the first cushioning device is provided, the first cushioning device can effectively reduce vibration transmitted from the intermediate supporting frame when the vibration is transmitted to the intermediate supporting frame during the vibration of the engine assembly, and the vibration received by the vehicle frame may be much less than the vibration transmitted from the intermediate supporting frame, thus the vehicle frame can be effectively prevented vibrating heavily. Therefore, the heavy vibration of the vehicle body can be effectively reduced by means of the vehicle body.

Abstract: A swing arm includes an arm main body formed of a pipe member, and a reinforcement member configured to reinforce an axle support region of the arm main body. The arm main body has a notch formed by cutting out a portion of a region of a circumferential wall facing in a vehicle width direction. The reinforcement member is joined to the notch of the circumferential wall.

Abstract: There is provided a saddle-ridden type vehicle. The vehicle includes frame members, pivot shaft supports, a swing arm, first and second support members, a rear cushion unit and a link mechanism. A first link member has one end portion pivotably connected to a rear end portion of the rear cushion unit, the other end portion located at a front lower side relative to the rear end portion and extending to a position at a rear side relative to a rear end portion of each frame member, and a swing arm connection unit. A second link member has one end portion pivotably connected to the other end portion of the first link member and the other end portion pivotably connected to the second support member. A cushion unit connection portion of the swing arm is pivotably connected to a swing arm connection portion of the first link member.

Abstract: A two-wheeled vehicle includes a frame, a front ground-engaging member, a rear ground-engaging member, and a rear suspension assembly operably coupled to the rear ground-engaging member. The rear suspension assembly includes a first swing arm, a second swing arm, and a pivot axle extending between the first and second swing arms. And, rotation of the pivot axle is configured to adjust the position of a portion of the frame relative to the first and second swing arms.

Abstract: A seat to be provided on a vehicle such as an automotive two-wheeled vehicle includes a seat body on which a rider rides, a backrest arranged at a rear side of the seat body, and an electric upward and downward movement mechanism configured to move the backrest upward or downward based on at least one of an acceleration of the vehicle or operation information for controlling the acceleration. The upward and downward movement mechanism includes a link mechanism, which connects a lower portion of the seat body and the backrest together, and an electric actuator, which is configured to input force to at least one of links included in the link mechanism.

Abstract: This rear wheel suspension device of a motorcycle is disposed so as to be displaced to the right lateral side relative to a center portion in the vehicle widthwise direction of the motorcycle. A swingarm-side support member which extends in the vehicle widthwise direction is provided to a swingarm. An upper end portion of the rear wheel suspension device is rotatably supported by a main frame, and a lower end portion of the rear wheel suspension device is rotatably supported at a right end portion of the swingarm-side support member.

Abstract: A bicycle may include a front triangle and a rear suspension system that couples the front triangle to a rear wheel and is dampened by at least one shock absorber. The rear suspension system includes a six-bar linkage having two ternary links separated from each other by one or more binary links, such that the two ternary links do not share a common joint. One of the ternary links may comprise a chain stay. In some examples, the other ternary link may comprise the front triangle. In some examples, the other ternary link may comprise a rocker arm coupling a seat stay link to the shock absorber.

Abstract: A two-stage clutch for separable connection of an input shaft to at least one output shaft, having a clutch cover, a clutch basket and a plurality of partial clutches, the partial clutches being operated in series. A first partial clutch is a pilot clutch, which is actively operable. A second partial clutch is a main clutch, which is operable by the pilot clutch, an operating force for the main clutch being produced by a torque transmitted by a shaft. In this two-stage clutch, the clutch cover is firmly connectible to the clutch basket. With the two-stage clutch proposed here, high torques can be transmitted despite small external operating forces. At the same time, the construction and assembly are greatly simplified in spite of the considerable complexity of the two-stage clutch, and the two-stage clutch has a significantly reduced rotating mass.

Abstract: A motorcycle having a crankcase supporting a crankshaft of an engine, a driving force transmission device at an intermediate position between the crankshaft and a driving wheel to transmit rotational force from the crankshaft, and a swing arm that swingably supports the driving wheel, wherein the driving force transmission device includes a continuously variable transmission provided with an endless flexible member stretched between a drive pulley and a driven pulley, and a continuously variable transmission case covering the continuously variable transmission, and wherein the swing arm includes a pivot portion provided on one end side of the swing arm to be swingably attached to a vehicle body frame or the crankcase, and a driving wheel support portion provided on another end side of the swing arm to rotatably support the driving wheel.

Abstract: Disclosed herein are rear suspension systems for bicycles that coupling the rear wheel of the bicycle to the bicycle frame through a swing arm assembly. The structures disclosed herein allow for independent movement of a swing arm assembly in both a vertical and horizontal directions.

Abstract: An ATV is disclosed having a frame and a plurality of wheels. A power train is defined by an engine, transmission and front and rear final drives. The engine is mounted to the frame skid plate by way of die cast legs. The transmission may include a CVT, which includes a cooling system to cool the interior of the CVT. The cooling system include a fan positioned on the driven clutch causing a reverse suction air flow, back through the drive clutch, with the air exhausting at the front of the engine.

Abstract: A saddle type vehicle wherein restrictions in the weight and the layout are reduced for slimmer and lighter vehicle. Pivot plates are provided as separate bodies from seat rails. An upper end of a shock absorber is received by a cross member located between left and right seat rails. The cross member is a separate body from the seat rails. Both ends of the cross member are supported by recesses provided in the left and right seat rails at inner sides of the seat rails so as to face each other. The cross member is fastened to the seat rails by cross member fastening members. The seat rail is attached to a main frame at its one front-side end and to the pivot plate at its other front-side end. The main frame and the seat rail are fastened to each other in the vertical direction by a first fastening member.

Abstract: Provided is a continuous variable transmission for a motorcycle having a radial engine, the transmission including a cone shaped gear, a driveshaft received in one end of the cone shaped gear, a gear plate having an angled geared surface configured to mate with the cone shaped gear, a drive clutch, a crank shaft extending through the drive clutch, and a plurality of fingers secured to the drive clutch and configured to move from a first position to a second position wherein the fingers are in a first position at a first speed and the fingers are at a second position, at a second speed.

Abstract: A motorcycle comprises a vehicle body frame including: a head pipe; a pair of main frames extending rearward from the head pipe to be apart from each other in a vehicle width direction; a cross member extending in the vehicle width direction and connecting rear end portions of the pair of main frames; and a pair of rear frames extending rearward from the cross member; and an engine connected to the pair of main frames, each of the pair of main frames includes a trellis section, and a single pipe section extending rearward from the trellis section and having a rear end joined to the cross member, the trellis section is provided with a first mount to which a front portion of a cylinder head is connected, and the single pipe section is provided with a second mount to which a rear portion of the cylinder head is connected.

Abstract: This rear wheel suspension device of a motorcycle is disposed so as to be displaced to one lateral side relative to a center portion in the vehicle widthwise direction of the motorcycle. A main frame which forms the front half of a motorcycle frame structure has a single backbone frame extending from a head pipe rearward and obliquely downward in the center portion in the vehicle widthwise direction. A vehicle-body-side support member which extends in the vehicle widthwise direction is supported by a rear portion of the backbone frame. A one end portion of the rear wheel suspension device is rotatably supported by a right end portion of the vehicle-body-side support member.

Abstract: An ATV is disclosed having a frame and a plurality of wheels. A power train is defined by an engine, transmission and front and rear final drives. The engine is mounted to the frame skid plate by way of die cast legs. The transmission may include a CVT, which includes a cooling system to cool the interior of the CVT. The cooling system include a fan positioned on the driven clutch causing a reverse suction air flow, back through the drive clutch, with the air exhausting at the front of the engine.

Abstract: A multi-link suspension includes a frame member, a first member pivotably coupled at a first end to the frame member, and a second member pivotably coupled at a first end to a second end of the first member. A dampener physically couples between the first member and the second member. The dampener limits the rotation of the second member about the second end of the first member to a defined arc. The first member includes a horizontal upper surface to which an electric traction motor providing a shaft output attaches. A power transmission system, such as a flexible belt, couples the shaft output provided by the electric traction motor to a drive hub rotatably attached to a second end of the second member.

Abstract: Combination adjustable air suspension shocks with separate dampers, systems, devices, apparatus, and methods, for motorcycles. Air suspension systems, devices, apparatus, and methods for allowing motorcycle drivers to increase and decrease compressed air supplies in air suspension devices. Deflating interior air springs/airbags (bladders) inside the devices allows for springs and pistons on shock absorbers in the devices to expand outward separating lower front and rear frame portions which effectively lowers the motorcycle to the ground surface and for the driver to have a firmer ride. Inflating the air springs/airbags (bladders) allows for the springs and the pistons on the shock absorbers in the devices to retract into the devices so that the devices have a more shock absorbing effect giving the rider a smoother ride, which also raises the motorcycles above the ground surface.

Abstract: A motorcycle comprises a rear wheel; a vehicle body frame including a front frame unit supporting a motor, and a rear frame unit supporting a seat; and a swing arm which is rotatably connected to the front frame unit and supports the rear wheel, wherein the rear frame unit includes: a front section which supports the seat and extends rearward from the front frame unit; a pair of right and left branch sections extending rearward from a rear end portion of the front section to be spaced apart from each other in a rightward and leftward direction; and a pair of rear sections which extend rearward from rear end portions of the pair of right and left branch sections, respectively, and are placed rightward and leftward relative to the rear wheel.

Abstract: An apparatus includes a vehicle frame, a swing arm and a fuel tank. The vehicle frame includes a front portion and a rear portion and defines a longitudinal centerline therebetween. The front portion is configured to support a recumbent seat. The rear portion is configured to be coupled to the swing arm and. The swing arm defines a longitudinal centerline and includes a wheel mounting portion configured to be coupled to a wheel assembly. The wheel mounting portion defines a radial axis that is substantially coaxial with the longitudinal centerline of the vehicle frame in at least one plane. The fuel tank is coupled to the rear portion of the vehicle frame such that the fuel tank is above the longitudinal centerline of the swing arm.

Abstract: Unique suspension apparatuses, systems and methods useful for mountain bicycles among other applications are disclosed. In certain exemplary embodiments the suspension is self adjusting to meet different performance objectives. The suspension may utilize pedaling force to substantially stiffen or lock out movement of the suspension, for example, during climbing. The suspension may change its performance under reduced pedaling force to provide performance characteristics desired when a rider is descending. Certain exemplary embodiments include a rocker arm connected to a first frame portion at a first rocker arm pivot, connected to a seatstay at a second rocker arm pivot, and connected to a second link at a third rocker arm pivot. The first link is connected to the first frame portion at a first link pivot, connected to the chainstay at a second link pivot, and connected to the shock and the second link at a third link pivot.

Abstract: In a saddle-type vehicle, an engine is supported by a pivot shaft through insertion of the pivot shaft into a bracket part provided at a rear part of the engine. A center lower cross frame is so provided as to span a space between parts in left and right pivot plates on the lower side relative to the pivot shaft. The pivot shaft and the center lower cross frame are connected by a hanger member.

Abstract: A saddle-ride type vehicle which includes a rear suspension supporting portion disposed on a cross member of a body frame, and an engine supported on the body frame, wherein the load transmission between the front and rear of the body frame is suppressed while mass concentration is achieved. The saddle-ride type vehicle supports a shock absorber upper end coupling portion on the cross member coupling left and right pivot frames, and supports the engine E below main frames forwardly of the pivot frames. The cross member is disposed closer to the seat rail coupling portions between upper rear portions of the left and right pivot frames. The shock absorber upper end coupling portion is provided at a leading end portion of a shock absorber support bracket extending forwardly and downwardly from the cross member.

Abstract: A link mechanism includes a shock absorber rod pivotally supported in an upwardly and downwardly swingable manner on a body frame. A shock absorber arm is disposed between a pair of left and right rod portions constituting the shock absorber rod. A front end portion of the shock absorber arm is connected to a lower end portion of a shock absorber unit, a rear upper end portion is connected to a swing arm, and a rear lower end portion is connected to a rear end portion of the shock absorber rod. A link guard covers at least an area from a front end portion of the shock absorber rod to the front end portion of the shock absorber arm on the lower side thereof to be fixed to and to spread over the pair of left and right rod portions.

Abstract: A motorcycle comprises a front wheel; a rear wheel; a seat; a vehicle body frame; a swing arm which supports the rear wheel such that the swing arm is vertically pivotable around a location at which the swing arm is connected to a front frame; and a rear suspension which connects the vehicle body frame to the swing arm via a link mechanism, wherein a seat frame includes a pair of rail sections having rear end portions which are placed to be spaced apart from each other on both sides in a vehicle width direction relative to the rear wheel and located above an axle of the rear wheel, and wherein the rear suspension is placed on one side in the vehicle width direction relative to a vehicle body center line extending in a forward and rearward direction and extends in the forward and rearward direction.

Abstract: A bicycle including front and rear wheels and a frame supported by the front and rear wheels. The rear wheel defines a central plane of the bicycle. The frame includes a main frame and a rear frame that is movable relative to the main frame. The main frame has a seat support with an offset portion that is offset from the central plane. The bicycle also includes a seat supported by the seat support, and a suspension unit coupled between the rear frame and the main frame to inhibit relative movement between the rear frame and the main frame. The suspension unit is positioned with the offset portion of the seat support laterally aligned with a first side of the suspension unit, and a second side of the suspension unit opposite the first side is not laterally aligned with the seat support.