Abstract: A light-weight bicycle crown includes a horizontal unitary body member having in longitudinal vertical cross-section an arched generally inverted U-shaped configuration including a center portion, a pair of generally downwardly extending leg portions, and a pair of end portions integral with the lower ends of the leg portions, respectively, the center portion containing a vertical center through bore for receiving the bicycle steering shaft, and the end portions containing vertical end through bores on opposite sides of the center bore for receiving the stanchions of the front fork shock absorber means, respectively, characterized by the provision of lightening bores that extend from the end bores longitudinally within the leg portions, respectively, the end bores terminating in closed end walls adjacent the center through bore.

Abstract: A steering tube clamp and stem assembly for a bicycle or other cycle in which the steering tube clamping parts are concealed inside a stem tube which extends away from the rider. The clamping assembly employs an axially extending cut and intersecting arcuate cuts in a wall of a sleeve which connects to the steering tube and a pair of spaced lugs which are integrally formed with the steering tube sleeve and extend in parallel into the stem tube. A clamping screw head is accessible through an aperture in the wall of the stem tube. The stem tube is welded to the steering tube sleeve and to two additional outside lugs which parallel the concealed lugs to minimize stresses in a welded connection of the stem tube to the sleeve.

Abstract: A straight bifurcated rigid bicycle fork is bent to produce a forward curve in the furcations or arms of the rigid fork. The curve has a bending radius of substantially six inches, and the angle between the arms and the main body of the rigid fork is less than a right angle. Typically, the angle of bend is on the order of substantially seventy-five degrees. When mounted on a bicycle, the curved rigid fork causes the front wheel to extend forward in front of the bicycle, and gives the bicycle a longer, lower look, thereby emulating what is known as a "low rider." When a helical spring and struts are added to the rigid curved fork, it emulates a spring-action low rider fork.

Abstract: A bicycle front fork packing device including a bottom split taper ring supported within a top cover of a bearing assembly at the top end of the head tube of a bicycle frame, a top split taper ring mounted on the bottom split taper ring around the top coupling tube of a front fork and stopped at a bottom end of the vertical tube of a handlebar stem, and a sealing cover covered on the top cover of the bearing assembly around the bottom end of the vertical tube of the handlebar, the bottom split taper ring being moved up with the bearing assembly and the top split taper ring being forced to expand by the bottom split taper ring and to firmly engage with the inside wall of the sealing cover when the vertical tube of the handlebar stem and the top coupling tube of the front fork are fastened tight.

Abstract: An improved adjustable motorcycle triple tree having a top tree subassembly, a bottom tree subassembly, and a solid tree stem interconnecting the top tree subassembly with the bottom tree subassembly. The tree stem is positioned within the hollow bore of a motorcycle frame steering head. The top tree subassembly has a pivot ball which provides two major rake settings. An adjustable rake lock block in the bottom tree subassembly provides means for precise rake settings within the two pivot ball major rake settings.

Abstract: A steering damper particularly for a bicycle which is integrated into the bicycle. The damper includes a housing closed at the top by a cap from which sidewalls extend and at the bottom. The housing contains a damping medium. Within the housing thee is a dam connected to the housing and a single vane connected to a shaft which passes through the housing. There is an opening in the shaft which communicates with the vane to circulate the medium during the damping when the bicycle departs from the path in which it is being directed and during the suppression of the damping when the bicycle returns to the path along which it is directed. The effective cross-section of the opening in the shaft is of sufficient magnitude to permit unrestricted flow of the medium. The housing and dam are supported within the steer-tube by the clamp from the steer-stem and are connected to the clamp by a tapered bearing rotatably with the steer-tube as the steer-tube is rotatable by the handlebars.

Abstract: A fork blade packing structure including a socket mounted in a bicycle fork blade at the top, a push block threaded onto a screw rod in the bicycle fork blade and supported on a spiral spring therein and moved vertically to adjust the spring force of the spiral spring, a connector mounted within the socket and having a threaded bottom end threaded into a top center screw hole on the push block and a top end extended out of socket through a hole thereof, a knob fixedly fastened to the top end of the connector outside the socket and adapted for turning the connector by a hand tool to force the push block upwards or downwards, and a guide wire mounted in an annular groove around the socket and having a guide top inserted through a radial through hole in the socket into a longitudinal sliding groove on the push block for guiding the movement of the push block.

Abstract: A novel brake assembly is provided for a cycle. The cycle is provided with at least one portion having cavities therein, and the brake assembly includes a brake actuator mounted on the cycle, a pair of brake calipers mounted in the cavities and pivotally attached to the cycle, a caliper-actuating body, and a motion transfer assembly coupled to and movable by the brake actuator. The caliper actuating body is connected to the motion transfer assembly. The calipers are provided with with first and second arm portions, each of the first arm portions having thereon a ramp surface engaged with the body, and each of the second arm portions being configured to receive and retain a brake pad. The calipers are pivoted by the caliper-actuating body, acting on the ramp surfaces in response to movement of the motion transfer assembly, so as to move the calipers in a direction that brings the brake pads into engagement with a wheel of the cycle, so as to exert a braking force on the cycle.

Abstract: A bicycle fork including a hollow metal steerer tube connected to a generally hollow unitary crown and blade component made of fibrous resin material. The crown and blades are molded so as to form a continuous structure of fibrous resin material having two opposing wall sections. The inside of the steerer tube is lined with fibrous resin material which is moldedly bonded to the crown to form a continuous and integral unit of fibrous resin material.

Abstract: The invention disclosed herein is a very durable, lightweight, front fork assembly for use on competition bicycles. The invention provides improved fatigue and impact resistance compared to prior art designs. The invention makes maximum use of advanced, high strength composite materials and high strength, lightweight metal alloys, improving its stiffness-to-weight and strength-to-weight ratios. The superior structural performance of the invention is provided by a unique section geometry and ply configuration that efficiently utilizes the material to maximize bending and torsional stiffness while minimizing weight. The improved strength also comes from the superior control of the molding process, made possible with a removable pressure bladder that remains connected to the pressure source, and is regulated, during the molding process.

Abstract: An improved vertical tube for bicycles includes a vertical tubular portion of a horizontal tube fitted onto a front fork having a bearing means fitted around its outer periphery such that the bottom of the tubular portion urges against a tapered inner ring of the bearing means, a baffle cap, and a torsion spring having a first end fitted into a small through hole of the baffle cap and a second through hole inserted into a tiny through hole of a stop rod. A bolt is inserted via a central hole of the baffle cap through the torsion spring into a central through hole of the stop rod to be locked with a nut before passing through a threaded hole of a pressing block which is caused to press against the lower inner wall of the stop rod. The pressing block as well as the stop rod and bolt are inserted into the front fork such that when the bolt is turned, the pressing block will cause a lower section of the stop rod to expand to urge against the inner wall of the front fork.

Abstract: A sprung steering system front structure, particularly for bicycles. The sprung steering front structure comprises a spring mechanism (11) with a rubber torsion spring, which between the front structure shaft (22) for the handle-bar and the upper end (3) of the shaft tube (1) is fixed in a fork (4) by means of a screw (15) passing through the fork legs (5, 6). The steering system front structure additionally has an angular position setting of the front structure shaft (22) with respect to the shaft tube (1) and an adjustability of the spring tension.

Abstract: This invention relates to front fork, telescoping type suspension systems for bicycles. The main focus of the invention is the brake bridge assembly, the fork crown assembly and the joinder of these assemblies to form the fork suspension. The brake bridge assembly serves two main functions: 1) it provides a stiff structural connection between the right and left telescoping struts, to reduce wheel wobble during high speed wheel impacts, and 2) it provides a structural support for the brake cable stop. The invention provides for increased stiffness and lower stresses in the brake bridge, which translates into improved directional stability for the front wheel, less displacement for the brake cable stop .(when the brake loads are applied) and improved fatigue life for the assembly. It also provides for a simpler and less expensive means for mounting the brake bridge to the fork assembly. The invention also encompasses the fork crown producing a lightweight structure with high torsional and bending rigidity.

Abstract: A fork for use on a vehicle, such as a bicycle. The fork includes a steer tube, a crown and two fork legs. The steer tube includes a cylindrical main body portion, an upper insert portion intended for attachment to a handlebar-holding mechanism, and an inner reinforcing sleeve that adds strength to the steer tube. The main body of the steer tube and the fork legs are manufactured from resin and filament in order to yield a very high strength, lightweight and shock-absorbing fork.

Abstract: A bicycle fork is used with a bicycle having a conventional head tube. The fork has a steering column that is supported in the head tube and carries a forwardly-connecting stem on which the handle bars are mounted. At the bottom end of the steering column is a control arm pivotally connected to the steering column and extending forwardly to be connected pivotally to the fork crown. The fork crown is connected to the stem at the top of the steering column by a spring-damping shock-absorbing strut, pinned at the top to the stem. The system may be used on a standard bicycle without altering the head tube or the bicycle geometry to provide a shock-absorbing action at the front of the bicycle. By arranging the control arm at an appropriate angle to the strut, an anti-diving action is incorporated into the fork.

Abstract: The shock absorber mechanism for a bicycle (10) is a device mounted between the handlebar stem (4) and fork stem (5) of a bicycle and includes a sleeve case (11), a spring (18), and a free cushion bushing (20). The sleeve case (11) is mounted to the lower edge of the handlebar stem (4) and joins when the upper portion of said fork stem (5) slides freely and does not rotate. The spring (18) is arranged between the sleeve case (11) and the fork stem (5). The free cushion bushing (20) is mounted to the lower edge of the sleeve case (11) and can be freely installed and removed as well as slide on the outer peripheral surface of the fork stem (5) controls relative movement of the handlebar stem (4) and the fork stem (5) caused by friction on the outer peripheral surface of the fork stem (5). One purpose of the present invention is to allow for easy adjustment of the dampening characteristics of a dampener depending on bicycle riding conditions and rider requirements.

Abstract: A steering fork for a bicycle that incorporates interchangeable steerer tubes to facilitate fitting the fork to bicycles having different steering head configurations. A crown of the fork has a hub with an internal taper that is arranged to receive a tapered end of a steerer tube. The mating tapers are press fit together by a tensioning bolt to fixedly secure the steerer tube to the crown of the fork. The portion of steerer tube extending from the tapered end is configured to fit the steering head of a bicycle to which the steering fork is to be mounted.

Abstract: A locking mechanism comprises a bicycle fork tube which is rotatably received in a bicycle head tube. This fork tube has a plurality of elongate slots at its tubular wall below the top end portion. A stem member has a collar thereof which is removably enveloped around the top end portion of the bicycle fork tube. A tubular housing containing an actuating block and wedge members is removably received by the fork tube for retaining the stem member to the fork tube thereof.

Abstract: A front fork suspension for a bicycle provides a front fork having a pair of fork members with ends that support a front wheel therebetween. A handlebar stem assembly is rotatably mountable in a head tube of a bicycle frame. The stem assembly includes, at an upper end, a forwardly-extending handlebar-supporting portion, or stem, that is substantially transverse to an axis of the head tube. A lower linkage is provided having a first end that is pivotally mounted to a lower end of the stem and an opposing second end that is pivotally mounted to a first location on the front fork. An upper linkage is provided having a first end that is pivotally mounted to the handlebar-supporting portion and a second end that is pivotally mounted to a second location on the front fork.

Abstract: An improved front suspension for a bicycle includes lower swing arms, upper swing arms and hub plates connected to the front forks in a substantially rhomboidal arrangement, and communicating with a shock absorber through a stabilizer tube, wherein the geometries of the trapezoid are balanced to provide substantially the same trail through the travel of the suspension.

Abstract: The invention relates to a front fork (10) for cycles, made of composite material, comprising two fork arms (12, 14) which unite to form an upper fork head (18). The fork head (18) comprises two rearwardly directed projections, an upper projection (30) and a lower projection (28). The two projections carry pivot portions (36, 38) which cooperate with complementary pivot portions (32, 34) provided on the steering head (24) of the frame. The fork arms (12, 14) are formed substantially linear and their centrelines are arranged at least generally in a plane in which the centreline of the fork head (18) also extends. This plane is located forwardly of the steering axis (YY) at a distance which depends on the dimensions of the cycle and is suitable to ensure the stability of the cycle.

Abstract: An upper steering assembly for a bicycle includes a head tube, a steerer tube passing through the head tube, a bearing assembly mounted on a top of the head tube and around the steerer tube, a rotational socket having a threaded inner periphery and including an upper clamping portion and a lower skirt portion which has an annular groove in an underside thereof for retaining the bearing assembly, and a compression socket mounted around the steerer tube and having a longitudinal slit and including an upper clamping section and a lower tubular section which is in threading connection with the inner periphery of the rotational socket allowing an adjustment of vertical position of the rotational socket relative to the compression socket.

Abstract: An improvement for two wheeled vehicle fork suspension systems, primarily motorcycles and bicycles such as street bikes, dual purpose bikes, motocross bikes, and mountain bikes. The improved design allows precompression to main suspension spring to be externally adjusted by designing precompression adjuster hub with a low profile adjuster grip area. The fork cap is adjustable from the outside eliminating the need to disassemble suspension column to increase or decrease precompression adjustment.

Abstract: A journal includes a cap engaged on a steerer tube, a bearing engaged on the cap, a compression nut threadedly engaged on the steerer tube, an annular flange extended upward from the compression nut, a pair of fins formed in the annular flange, and a split ring engaged on the annular flange. The split ring includes two half appendages fixed together to compress the fins radially inwards in order to compress the steerer tube, whereby, the compression nut is fixed to the steerer tube.

Abstract: A mechanically joined steering assembly for supporting the wheel of a wheeled vehicle for steering movement relative to the frame of the vehicle. The steering assembly includes a crown attached by mechanical fasteners to blades and to a central steering portion joining the assembly to the frame of the vehicle. The parts joined are the blades (16), steerer (14), crown (12), and reinforcements (24). Mechanical fasteners serviceable with common tools provide a reinforced steering assembly of greater strength than welded or brazed constructions. This assembly allows the use of metallic, advanced composite, or thermoplastic components. Adjustments of axle location and steering geometry are made by sliding blades (16) up or down in crown (12). Blades (16), steerer (14), and crown (12) retain the original cold drawn strength of the metal used by mechanically joining without brazing or welding.

Abstract: A device for discouraging theft of a bicycle includes a first tube member attached to the bicycle handlebar and a second tube member attached to the bicycle fork. One of the tube members has apertures carrying rolling bodies, and the other of the tube members has recesses for receiving the rolling bodies. The tube members are concentrically rotatable. A cam member is provided for urging the rolling bodies into the recesses to fix the tube members against relative rotation, thereby enabling steering of the bicycle. The cam member is operable to a position wherein the rolling bodies are free to become retracted into the apertures, thereby decoupling the tube members and disabling steering of the bicycle.

Abstract: A light weight aluminum bicycle fork with positive feel and improved control in rough conditions, and is stiffer in torsional stiffness, fore and aft stiffness and side-to-side stiffness and has a higher overall rigidity than prior art forks. A large diameter steering tube has an hourglass external surface and bearing raceway seats formed therein and a very large diameter head tube has a corresponding bearing raceway seat formed in the lowered end thereof to receive, by way of a press-fit, aircraft-type torque tube bearings. An upper bearing assembly is seated in a raceway seat formed in the upper end of the head tube. Adhesive is used to maintain the bearings in position and prevent their loosening. A pair of large diameter crown miter tubes are welded to the lower end of the steering tube and a pair of large diameter, tapered, blade tubes are welded to the crown miter tubes and have dropouts welded to the lower ends of the blades.

Abstract: A headset assembly attached to a bicycle for journaling a steering tube or a fork assembly within a head tube of the frame of the bicycle. The headset comprises upper and lower headset cups which are press fit within respective ends of the head tube. Each of the headset cups has a bore for receiving a respective cartridge bearing. Each of the headset cups has a rim with a radial slot and is designed such that the rim may clamp about a periphery of the respective cartridge bearings.

Abstract: The including between the handlebars and the front wheel of a bicycle of a shock absorbing and energy damping apparatus to absorb shock that is incurred by the bicycle as the bicycle moves over uneven terrain. The shock absorbing and energy damping apparatus includes a piston which is axially movable within a fluid chamber. There is also included a spring arrangement within this chamber which also acts against the piston.

Abstract: Theft of a bicycle is discouraged by a locking mechanism in the front headstem that controllably engages the handlebar-attached headstem with the front fork or disengages the headstem and fork for free relative rotation. A shaft attached to the fork and a sleeve attached to the handlebar clamp are connected at a locking junction which is rotatable as a whole in the front journal of the frame. A key operated cam moves a locking roller radially outwardly of the shaft to engage a receptacle in the sleeve for engagement or allows the roller to retract into an aperture for disengagement. The shaft and sleeve have complementary conical tapers axially positioned by a split conical bushing. A cylinder lock operates the cam via a key having a substantially tubular configuration with a uniquely configured axial end for positioning lock pins against axial spring pressure.

Abstract: A fork assembly comprising a stiff steerer tube made of metal or the like, a generally hollow unitary crown and blade component made of molded resin-impregnated fibrous material, and a connecting assembly for interconnecting the steerer tube to the unitary crown and blade component at a first position above and a second position below a bicycle head tube. The blades of the unitary component have a lower portion for wheel attachment, an upper portion for attachment at the first steerer tube position, and an intermediate crown portion integrally uniting the upper and lower blade portions and a crowned boss for attachment at the second steerer tube position. The steerer assembly may include a laterally extending anchor member which is captured in the crown boss as it is molded from the resin-impregnated fibrous material. The anchor member may have downwardly projecting legs laminated between overlapped wall sections of the crown portions of the blades.

Abstract: A mechanically joined steering assembly for supporting the wheel of a wheeled vehicle for steering movement relative to the frame of the vehicle. The steering assembly includes a crown attached by mechanical fasteners to blades and to a central steering portion joining the assembly to the frame of the vehicle. The parts joined are the blades (16), steerer (14), crown (12), and reinforcements (24). Mechanical fasteners serviceable with common tools provide a reinforced steering assembly of greater strength than welded or brazed constructions. This assembly allows the use of metallic, advanced composite, or thermoplastic components. Adjustments of axle location and steering geometry are made by sliding blades (16) up or down in crown (12). Blades (16), steerer (14), and crown (12) retain the original cold drawn strength of the metal used by mechanically joining without brazing or welding.

Abstract: A method of manufacturing a bicycle fork including forming a manufactured blank comprising a metallic steering spigot 11, two fork arms 13 and a pair of metallic axle mounts 14. Each fork arm 13 includes a hard foam core 19 at the lower straight portion of each fork arm 13 and a flexible foam core 22 at the upper end of each fork arm 13. Alternatively, a single flexible foam core having an internal pressurization may be advantageously used. The axle mounts 14 have a connection spigot 21 which is inserted into the free ends of each fork arm 13. A polymer impregnated flexible foam sheath 20 is laid around foam core 19, flexible foam core 22 or 37 and connection spigots 21. Subsequently, various polymer impregnated fiber reinforced sleeves 15, 16, 17, 18 are laid around the foam sleeve 20. The upper parts of the fork arms 13 are brought together to form a fork head 12 having a single steering spigot connection part 12a and fork arm transition parts 12b.

Abstract: A fork assembly including a stiff steerer tube assembly of metal or the like connected to a generally hollow unitary crown and blade component made of molded resin impregnated fibrous material. The unitary component has at least two adjacent wall sections united by an integrally uniting junction formed by overlapped parts of the sections having sufficiently intimate contact therebetween for stress loadings to be transferred from fiber to fiber across the juncture. The steerer assembly may include a laterally extending and downwardly projecting anchor member which is adhered to an inside surface of the unitary component and may be laminated between overlapping wall sections.

Abstract: A light weight aluminum bicycle fork with positive feel and improved control in rough conditions, and is stiffer in torsional stiffness, fore and aft stiffness and side-to-side stiffness and has a higher overall rigidity than prior art forks. A large diameter steering tube has a bearing raceway seat formed therein and a very large diameter head tube has a corresponding bearing raceway seat formed in the lowered end thereof to receive, by way of a press-fit, aircraft-type torque tube bearings. An upper bearing assembly is seated in a raceway seat formed in the upper end of the head tube. Adhesive is used to maintain the bearings in position and prevent their loosening. A pair of large diameter crown miter tubes are welded to the lower end of the steering tube and a pair of large diameter, tapered, round blade tubes are welded to the crown miter tubes and have dropouts welded to the lower ends of the blades. A one-piece aluminum bar, neck and large diameter stem is provided.

Abstract: A frame fork for a bicycle includes a main tube, two support tubes, a fork head including a bracing tube and two legs integrally formed together, and a sleeve including a sleeve body and two limbs integrally formed together. A center hole is formed in the sleeve body. The bracing tube passes through the center hole of the sleeve body and the lower end of the main tube. The sleeve body embraces the lower end of the main tube. Each leg of the fork head and a respective limb of the sleeve are force fitted into each upper end of the support tube.

Abstract: A safety device for bicycles, for preventing unscrewing, comprises a ring element which can be mounted coaxially on the outer ring of the upper steering bearing and on the lock nut to lock them in position on the tubular sleeve of the fork mounted rotatably in the steering tube of the frame. The ring element is clamped onto the ring of the bearing and the lock nut so as to prevent the accidental unscrewing of the lock nut. It also has a radial appendage which is adapted to act as an abutment for the end of the sheath of a flexible brake-operating cable.

Abstract: A fork stem is formed of material having large hardness while a fork shoulder is formed of material having hardness smaller than that of the fork stem. A plurality of projection lines are formed in an end of the fork stem. The end is forcedly inserted into a through hole of the fork shoulder and an expansion portion is formed in the end forcedly inserted into the through hole to prevent the fork stem from getting out from the through hole.

Abstract: A front fork for a bicycle comprises a stem tube, a shoulder lug and two fork tubes. The shoulder lug is made of a light metal alloy by casting. The stem tube is set in dies and the light metal alloy is poured into the dies so that part of the stem tube is embedded in the light metal alloy to form the shoulder lug and simultaneously the shoulder lug is integrally formed with fitting protrusions. The fitting protrusions of the shoulder lug are fitted in the fork tubes and joined thereto by an adhesive.

Abstract: In a handlebar comprising an elongate handle arm and a boss which supports the central part of the arm, the boss has an aperture with a generally channel-shaped region for receiving the central part of the arm, and a pressure body is mounted in the aperture for selective movement into a thrust position against the central part of the arm to press the central part into the generally channel-shaped region of the aperture so as to clamp the arm relative to the boss.

Abstract: A resilient suspension system for the front wheel of a bicycle includes a steering column supported on the frame of the bicycle and supports a handle bar at the upper end and a resilient suspension assembly at the opposite end. The suspension system includes a pair of main forks which are carried by a crown member mounted on the bottom of the steering column and the forks are displaced to the rear of the longitudinal centerline of the column. A subsidiary fork assembly is mounted within the steering column and extends generally along a common longitudinal axis to cooperate with the main forks to support the front wheel of the bicycle in a resilient fashion. The subsidiary forks and the main forks are interconnected by a pair of pivotal links which will permit relative movement between the main forks and the subsidiary forks in response to surface irregularities and transmit such movement to a compression assembly disposed within the steering column.

Abstract: A motorcycle fork tree assembly includes a steering axle attached to a top tree piece and a bottom inner tree piece. The bottom inner tree piece is pivotally secured to a bottom intermediate tree piece which is adjustably positioned within a bottom outer tree piece. The fork tubes extend through the bottom outer tree piece and are attached to the top tree piece via plugs having offset bores positioned in one of a number of threaded holes of the top tree piece. The degree of trail of the steering assembly for the motorcycle can be easily and quickly adjusted by the independent adjustment of one or more of the bottom outer tree piece relative to the bottom inner tree piece or the plugs in the top tree piece.

Abstract: An upper fork for a front fork assembly of a motorcycle comprising a pair of left and right fork member units and a bridge for interconnecting said pair of units. In order to improve the strength and rigidity of the upper fork with reduction of the weight taken into consideration, each fork member unit includes two pipes having upper and lower ends welded to each other, and a cross member welded to mid portions of the two pipes to interconnect them. The bridge is welded to the two pipes and the cross member of each of the pair of fork member units. The cross member and the bridge are formed to be hollow.

Abstract: A fork head for a motorcycle comprises an integral, pressure diecast body formed with two sockets for receiving respective fork blades, an upper and a lower cross-piece interconnecting the sockets, a centrally arranged bearing sleeve for receiving an upstanding pin carried by the frame of the motorcycle, lateral walls extending obliquely between the bearing sleeve and the sockets, and at least one bearing surface for conforming engagement by at least one accessory including a trim covering a front portion of the fork head above the bearing sleeve and the sockets.

Abstract: A mechanism for mounting a speed control lever to a bicycle is so constructed that a bearing member, which is fixed to an upper end of a head pipe of the bicycle, is extended axially upwardly to form an extension which rotatably supports the speed control lever.

Abstract: A steering head for a bicycle comprises a mounting shaft having a lower end secured to the forward end of the main bicycle frame, the mounting shaft projecting upwardly from the forward frame end. A bearing sleeve is rigid with the fork head of the front wheel fork of the bicycle and is rotatably mounted on the mounting shaft.