Abstract: A free-wheel hub assembly includes an axle co-axially extending through a spoke-mounting hub and having a right axle portion disposed outwardly of a right end of the spoke-mounting hub. A tubular sleeve is sleeved on the axle, and is disposed in a right recess defined by the right end of the spoke-mounting hub. A self-lubricating bearing is sleeved on the tubular sleeve, is disposed in the right recess, and has an inner surface in sliding contact with the tubular sleeve. A sprocket mounting member is sleeved on the right axle portion, and has an annular coupling end which extends into the right end of the spoke-mounting hub and which is in sliding contact with an outer surface of the self-lubricating bearing.

Abstract: A free-wheel hub assembly includes an axle extending through a hub and having an annular axle flange projecting radially and outwardly therefrom into a right recess defined by a right end of the hub. A self-lubricating bearing is slidably sleeved on the axle flange. A sprocket-mounting member is sleeved on the axle flange, and has an annular coupling end which extends into the right recess and which is in sliding contact with the self-lubricating bearing. An inner bearing is sleeved on the axle and abuts against one end of the axle flange. An outer bearing is sleeved on the axle and abuts against the other end of the axle flange. A ratchet unit is coupled to the sprocket-mounting member and the hub.

Abstract: A bicycle hub assembly includes a casing with an axle extending through a passage defined through the casing. A stepped shoulder extends inward from an inner periphery of the passage and a first bearing is mounted to the axle and engaged with a first open end of the casing. A base member is mounted to the axle an end of the base member contacts against the stepped shoulder. Two sets of beads are respectively engaged with two grooves defined in an inner periphery of the base member and two retaining rings are respectively engaged with two open ends of the base member to restrain longitudinal movement of the beads. Two nuts are respectively threadedly connected to the axle and positioning the two retaining rings.

Abstract: A bearing apparatus for a bicycle hub comprises a bearing member and a lock member. The bearing member comprises an inner peripheral surface for receiving a hub spindle therein, a bearing surface for engaging a bearing, and an interlock portion. The first lock member comprises an inner peripheral surface for receiving the hub spindle therein and a mating portion for engaging the interlock portion of the bearing member so that the bearing member is nonrotatably fixed relative to the first lock member.

Abstract: A bicycle hub assembly includes a casing with an axle extending through a passage defined through the casing. A stepped shoulder extends inward from an inner periphery of the passage and a first bearing is mounted to the axle and engaged with a first open end of the casing. A base member is mounted to the axle an end of the base member contacts against the stepped shoulder. Two sets of beads are respectively engaged with two grooves defined in an inner periphery of the base member and two retaining rings are respectively engaged with two open ends of the base member to restrain longitudinal movement of the beads. Two nuts are respectively threadedly connected to the axle and positioning the two retaining rings.

Abstract: A bearing assembly for bicycle connected to one of two ends of the head tube includes a first race having a skirt portion and a groove defined in an inner periphery of the skirt portion so as to receive beads therein. A second race is engaged with the skirt portion and positions the beads in the groove. An insertion extends from the first race and includes threads defined in an outer periphery thereof. The head tube has two inner threaded sections defined in an inner periphery in two open ends thereof and the insertion is threadedly engaged with one of the inner threaded sections of the head tube.

Abstract: The steering set comprises an upper roller bearing (2) and a lower roller bearing (18) adapted to guide in rotation a pivot tube. Each roller bearing is (2, 18) received in a respective annular recess (14, 19) provided within a steering post (11) forming a part of a bicycle frame (12). Each roller bearing (2, 18) is associated with a respective ring (3, 24) itself resting on a support surface, and an end ring (6) surrounded the pivot tube (10) above the steering socket (11). The roller bearings (2, 18) are associated with adapters (26, 27) in the form of rings disposed between the roller bearings (2, 18) and the bottom of the annular recess (14, 19) so as to adjust the height of the recess so as to adapt it to roller bearings (2, 18) having different heights.

Abstract: A combination of a bearing journal assembly and a head tube of a bicycle includes a skirt extending from each of two ends of the head tube and each skirt has a groove defined therein. A retainer has a plurality of balls rotatably engaged therewith as a one-piece member which is engaged with the groove in each skirt.

Abstract: A bicycle head tube and ball bearing mounting arrangement in which two gasket rings are respectively mounted in expanded top and bottom receiving portions of a head tube to support a respective ball bearing assembly in each end of the head tube, which ball bearing assembly supports a handlebar stem and front fork assembly in the head tube, the gasket rings each having a curved inner diameter fitted over the bottom edge of the respective ball bearing assembly to prevent direct contact of the bottom edge of the respective ball bearing assembly from direct contact with the respective expanded receiving portion of the head tube.

Abstract: A free-wheel hub assembly includes an axle extending through a hub and having an annular axle flange projecting radially and outwardly therefrom into a right recess defined by a right end of the hub. A self-lubricating bearing is slidably sleeved on the axle flange. A sprocket-mounting member is sleeved on the axle flange, and has an annular coupling end which extends into the right recess and which is in sliding contact with the self-lubricating bearing. An inner bearing is sleeved on the axle and abuts against one end of the axle flange. An outer bearing is sleeved on the axle and abuts against the other end of the axle flange. A ratchet unit is coupled to the sprocket-mounting member and the hub.

Abstract: A free-wheel hub assembly includes an axle co-axially extending through a spoke-mounting hub and having a right axle portion disposed outwardly of a right end of the spoke-mounting hub. A tubular sleeve is sleeved on the axle, and is disposed in a right recess defined by the right end of the spoke-mounting hub. A self-lubricating bearing is sleeved on the tubular sleeve, is disposed in the right recess, and has an inner surface in sliding contact with the tubular sleeve. A sprocket mounting member is sleeved on the right axle portion, and has an annular coupling end which extends into the right end of the spoke-mounting hub and which is in sliding contact with an outer surface of the self-lubricating bearing.

Abstract: A bicycle crankshaft assembly in accordance with the present invention comprises a frame tube having first and second end portions and defining a passage extending between the end portions. The first end portion define a first opening, and the second end portion define a second opening different to the first opening. An axle is securely assembled into the passage from the second end portion and the axle includes a bushing with a crankshaft rotationally supported therein. The crankshaft includes first and second coupling portions extending over the first and second openings of the first and second end portions of the frame tube. Wherein the first opening is dimensioned such that a first end of the bushing is limited from extending therethrough.

Abstract: The steering set comprises an upper roller bearing (2) and a lower roller bearing (18) adapted to guide in rotation a pivot tube. Each roller bearing (2, 18) is received in a respective annular recess (14, 19) provided within a steering post (11) forming a part of a bicycle frame (12). Each roller bearing (2, 18) is associated with a respective ring (3, 24) itself resting on a support surface, and an end ring (6) surrounded the pivot tube (10) above the steering socket (11). The roller bearings (2, 18) are associated with adapters (26, 27) in the form of rings disposed between the roller bearings (2, 18) and the bottom of the annular recess (14, 19) so as to adjust the height of the recess so as to adapt it to roller bearings (2, 18) having different heights.

Abstract: A bearing journal for bicycles includes a lower race having two stops extending from an outer periphery of the lower race and an upper race having a skirt extending from an outer periphery thereof. A bearing is received between the lower race and the upper race. A protrusion extends inward from an inner periphery of the skirt which encloses the two stops. The steering tube of the front fork extends through the bearing journal and is connected to a handlebar stem. When the handlebar is rotated 180 degrees, the upper race co-rotated with the handlebar is stopped by the contact between the protrusion and one of the stops.

Abstract: A bottom bracket bearing axle mounting arrangement includes a bottom bracket bearing axle inserted through a bottom bracket, two ball races mounted on the bottom bracket bearing axle to support a respective set of steel balls around the bottom bracket bearing axle, and two conical, externally threaded, split stop members respectively threaded into a respective inner thread at each of two opposite ends of a bottom bracket to hold two sets of steel balls on the respective ball race.

Abstract: A bearing assembly of a hub of a bicycle includes a receiving ring formed with an tapered inclined face and a catch flange; a roller bearing mounted in the receiving ring and including a plurality of rollers arranged in a tapered manner; a cover ring including a rigid plate formed with a locking flange rested on the catch flange, and a rubber layer coated on the rigid plate; and a positioning bolt head including a lower tapered urging portion, and an upper positioning portion. The lower tapered urging portion is urged on the rollers of the roller bearing to push the rollers to press the inclined face, such that the receiving ring, the roller bearing, and the positioning bolt head are combined with each other in a press-fit manner without detachment.

Abstract: A bearing assembly of a hub of a bicycle includes a receiving ring formed with an tapered inclined face and a catch flange; a roller bearing mounted in the receiving ring and including a plurality of rollers arranged in a tapered manner; a cover ring including a rigid plate formed with a locking flange rested on the catch flange, and a rubber layer coated on the rigid plate; and a positioning bolt head including a lower tapered urging portion, and an upper positioning portion. The lower tapered urging portion is urged on the rollers of the roller bearing to push the rollers to press the inclined face, such that the receiving ring, the roller bearing, and the positioning bolt head are combined with each other in a press-fit manner without detachment.

Abstract: A crankset for a bicycle in which the crankshaft separates into two pieces. The separation point is approximately midway between the support bearings for the crankshaft, creating two crankarm/spindle portions. Dowel pins and a bolt are used to connect the two portions. The crankarm/spindle portions are constructed in a tubular fashion, with the tubular element bent to accommodate the transition from the crank arm to the spindle. Additionally, the crankarm/spindle portions are preferably fabricated from composite materials, to offer a lightweight yet strong and stiff crankset.

Abstract: A bicycle bottom bracket assembly includes an outer tube connected to a bicycle frame and a first inner threaded section and a second inner threaded section are respectively defined in an inner periphery of two ends of the outer tube. An inner tube is received in the outer tube and a first end of the inner tube has a first outer threaded section so as to be engaged with the first inner threaded sections. A flange extends from a second end of the inner tube so that a ball bearing is mounted to the flange. A roller bearing is engaged with an inner periphery of the first end of the inner tube. A positioning ring is engaged with the second inner threaded section of the outer tube. An axle extends through the roller bearing and the bearing.

Abstract: A bicycle bottom bracket assembly includes an outer tube connected to a bicycle frame and a first inner threaded section and a second inner threaded section are respectively defined in an inner periphery of two ends of the outer tube. An inner tube is received in the outer tube and a first end of the inner tube has a first outer threaded section so as to be engaged with the first inner threaded sections. A flange extends from a second end of the inner tube so that a ball bearing is mounted to the flange. A roller bearing is engaged with an inner periphery of the first end of the inner tube. A positioning ring is engaged with the second inner threaded section of the outer tube. An axle extends through the roller bearing and the bearing.

Abstract: A head lock ring assembly includes a ball bearing mounted on the head tube of a bicycle at a top and holding a set of steel balls outside the head tube, and a cover shell assembly formed of a cover shell, a first split ring, a second split ring, a rubber ring, and a locating cap, the cover shell assembly being covered on the ball bearing to lock the handlebar stem and the front fork of the bicycle for enabling the handlebar stem and the front fork to be rotated relative to the head tube, wherein the locating cap has a bottom flange inserted into the cover shell to hold down the first split ring and the second split ring in a receiving chamber in the cover shell around the handlebar stem and the front fork; the rubber ring is mounted around the locating cap above the bottom flange, and peripherally partially engaged into an inside annular groove in the cover shell to secure the cover shell, the first split ring, the second split ring and the locating cap together for quick installation.

Abstract: A bottom bracket for bicycles includes a tube with a hollow shaft received therein and two first grooves are defined in an outer periphery of the hollow shaft. Two collars each have a second groove are mounted to the hollow shaft and balls are engaged with the first grooves and the second grooves. An inner tube is mounted to the hollow shaft and engaged between the two collars. Two races are respectively engaged with two ends of the tube and each race has a positioning flange for engaging with two respective second ends of the collars.

Abstract: A steering bearing device includes a bearing disposed between an upper portion of a head tube and a steerer tube. The steerer tube includes a race disposed on the lower portion. Two bearings are disposed between the lower portion of the head tube and the race and disposed one above the other. The lower bearing is for anti-thrust purposes and for absorbing shocks from the steerer tube. The race includes an annular chamber formed between an outer wall and an inner fence for receiving the lower bearing and for forming an excellent seam for preventing water from entering into the bearing device.

Abstract: A bearing assembly includes a head tube (10) through which a steerer tube (21) of the front fork (20) extends. A first annular flange (45) and a second annular flange (53) extend from an inner periphery of the head tube. An upper bearing (44) and a lower bearing (52) are respectively received in two ends of the head tube and contact the first annular flange and the second annular flange. A first ring (43) and a second ring (50) are respectively received in the head tube and press on the two bearings. A cap (41) is securely mounted to the steerer tube and compresses on the first ring and the second ring is positioned on a crown portion of the front fork.

Abstract: A quick-release wheel hub assembly includes a hub with an axial hole. The hub further includes a compartment defined in each of two ends thereof, and the wall of one compartment includes a circular slot, each end of the hub further including a shoulder. Two bearings are mounted in the compartments, respectively. Each bearing has an end that bears against the shoulder of an associated end. A shaft is extended through the axial hole of the hub and the bearings. A sleeve is mounted around the shaft and positioned between the bearings. The sleeve may reliably prevent disengagement of the hub from the shaft. In addition, the strength of the shaft is improved. A c-shaped ring is mounted in the circular slot beside the other end of one bearing for fixing the bearing and preventing the bearing from dropping.

Abstract: A hub transmission mechanism includes an axle inserted coaxially into a through-hole in a spoke-mounting barrel such that a right axle portion thereof extends outwardly from the spoke mounting barrel. A sprocket mounting member is sleeved around the right axle portion, and includes an outer shell coupled with a right end of the spoke-mounting barrel, left and right bearing units disposed within the outer shell, a tubular sleeve disposed within the outer shell around the right axle portion and between the bearing units, and a restricting spacer unit disposed within the outer shell and cooperating with the tubular sleeve to restrict radial and axial displacement of the bearing units relative to the outer shell, thereby defining an aligned bore for smooth extension of the right axle portion of the axle during assembly.

Abstract: A driving wheel bearing unit is disclosed which facilitates works including mounting and dismounting to/from a car body. The driving wheel bearing unit is set to satisfy Da≧Db, where Da is the diameter of its external member across a fitting surface thereof to be fitted to a mating member such as a knuckle, and Db is the maximum diameter of its constant velocity joint, so that a mounting bolt fixing the external member can be released to allow unitary extraction of the entire wheel bearing unit and the external member.

Abstract: A bicycle crank axle comprises an axle, which is provided with two fitting portions located at both ends thereof. Each of the two fitting portions is fitted into a tapered sleeve, which is in turn fitted into a fixation seat. The fixation seat is provided with a tapered center hole in which a tapered fixation ring, a tapered bearing seat, a C-shaped ring, a pillar holder of a tapered construction, a plurality of tapered pillars, a washer, and a fixation seat cover are provided. The tapered pillars are intimately held by the pillar holder to provide the axle with protection against idle running and mechanical wear.

Abstract: A bicycle hub includes a hollow hub shell, and an axle extending through the hub shell. The axle is formed integrally with diameter-enlarged first and second inner race portions that are respectively disposed in opposing first and second end portions of the hub shell. Each of the first and second inner race portions is formed with an inner race groove that opens toward a respective one of the first and second end portions of the hub shell. Annular first and second cap members are sleeved on the axle. Each of the first and second cap members has an outer race forming portion that extends into and that is mounted to a respective one of the first and second end portions of the hub shell. The outer race forming portion is formed with an outer race groove that opens toward the inner race groove in a respective one of the first and second inner race portions of the axle.

Abstract: A bicycle bearing assembly has a spindle rotatably coupled within an outer tubular member via bearing members. The spindle preferably has a pair of annular grooves, which are formed in its outer surface by cold rolling the spindle. Similarly, the tubular outer member is cold rolled to form a pair of corresponding annular grooves in its internal surface. The cold rolling process of forming the tubular outer member results in its external surface also deformed to create a similar corresponding profile to the internal surface. This cold rolling creates a very smooth bearing surface for the bearing members. In one embodiment, the bicycle bearing assembly is a bottom bracket for a bicycle. In other embodiments, the bicycle bearing assembly is a hub for a wheel bicycle. The hub can be either a front hub or a rear hub.

Abstract: A quick-release wheel hub assembly includes a hub with an axial hole. The hub further includes a compartment defined in each of two ends thereof, each end of the hub further including a shoulder. Two bearings are mounted in the compartments, respectively. Each bearing has an end that bears against the shoulder of an associated end. A shaft is extended through the axial hole of the hub and the bearings. A sleeve is mounted around the shaft and positioned between the bearings. The sleeve may reliably prevent disengagement of the hub from the shaft. In addition, the strength of the shaft is improved. If the distance between the bearings is larger than the length of the sleeve, a resilient retaining washer may be mounted between the sleeve and one of the bearings.

Abstract: A bicycle axle comprises a shaft on which two fastening seats are mounted with, one of the two fastening seats is provided with inner threads and the other one the two fastening seats being provided with a tapered inner wall cooperating with a tapered outer wall of a fastening piece. The five-way tube of the bicycle frame is securely fastened between the two fastening seats.

Abstract: A headset assembly includes a race having a flange which rests on an end of the head tube and an annular recess defined in the inner periphery thereof so as to receive a bearing therein. The bearing has a first tapered surface defined in the top of the inner periphery thereof so as to engage with the second tapered surface of the cap which is mounted to the flange and the bearing. The cap has a third tapered surface defined in the top thereof so as to engage with a fourth tapered surface of a compressing ring which is pressed by the handlebar stem which is securely mounted to the steering tube extending through the bearing, the cap and the compressing ring.

Abstract: A light-weight, strong and rigid rotatable spindle assembly utilizing a two-piece spindle suitable for employment in a variety of spindle applications, and in particular in a bicycle crankshaft assembly. Each spindle piece is integrally joined to a crank arm, and this joint, as well as the joint of the crank arm and the pedal tube, is reinforced with gussets. The two spindle pieces themselves are connected by means of a simple allen bolt within the interior of the bottom bracket shell, and this connection is thereby protected from the elements. As the two spindle pieces are pulled together by the allen bolt, they exert opposing forces on the inner race of a cartridge bearing, thereby fixing the lateral location of the spindle within the bottom bracket without exerting pre-load on the bearings. Proper alignment is easily accomplished by means of one or more spacers placed on either side of this inner race of the cartridge bearing.

Abstract: An improved crank axle for bicycle is a hollow hub axle provided with a circle of tooth shape key slot at both ends respectively, arranged with a single roller bearing and the two parallel ball bearings and covered with an aluminum alloy cone-shaped sleeve. So that its can reduce the weight, facilitate assembling, keep axle rotation smoothly and receive loading strength well.

Abstract: A crankset device has a chain ring, a tube connected to the chain ring, the tube having a hollow interior, and a crank arm passing through the chain ring, the hollow interior, an elastic washer, an annular retainer, and an annular cover. The crank arm has two protrusions. A first collar set surrounds the crank arm. A second collar set surrounds the crank arm. The first collar set is disposed in a first end portion of the tube. The second collar set is disposed in a second end portion of the tube. The annular cover covers the second end portion of the tube. The annular retainer is inserted in the annular cover. The elastic washer is disposed between the second collar set and the annular retainer.

Abstract: An annular locating member mounted around a bottom bracket bearing axle within a ball race to hold steel balls inside the ball race around the bottom bracket bearing axle between a flange around the periphery of the bottom bracket bearing axle and a flange around the inside wall of the ball race, the annular locating member having an outward flange coupled to an annular groove inside the ball race and an inward flange coupled to an annular groove around the periphery of the flange at the bottom bracket bearing axle.

Abstract: An upper headset assembly for a bicycle includes a race member having an annular groove defined in the top thereof for receiving a bearing therein. A ring member is mounted to the bearing on the outer periphery thereof and has a first tapered surface defined in the inner periphery thereof. A pressing ring device has a second tapered surface contacting the first tapered surface of the ring member and a third tapered surface. A collar is mounted to the pressing ring device and a plurality of bolts extend through the collar and contact against the third tapered surface.

Abstract: A crank spindle unit includes a crank spindle having an outer peripheral surface defining a first end, a second end and a hollow central portion. A plurality of first serrations are formed on the first end of the crank spindle, and a plurality of second serrations are formed on the second end of the crank spindle. A first guide surface having a first guide surface diameter is formed on the outer peripheral surface continuously with and inwardly from the plurality of first serrations, and a second guide surface having a second guide surface diameter is formed on the outer peripheral surface continuously with and inwardly from the plurality of second serrations. A first track groove is formed on the outer peripheral surface in proximity to the first end of the crank spindle, wherein a lowermost surface of the first track groove has a first track groove diameter.

Abstract: A bottom bracket bearing assembly for bicycles comprising a plain axle 1 into which the inner rings of bearings 4, 4' employing steel rollers 3 or balls 3' may be pressed, the outer tracks of the bearings being provided within bracket cups 2, 2', whose outer diameters are adapted to be secured into the ends of the bracket shell 5. The bearings are held between pedal crank 8 and chain wheel 9 with a washer or a spring washer 6, expanding distance pieces 12, 13, or any suitable combination thereof. Pedal crank 8 or chain wheel crank 9 may be built into the axle.

Abstract: A device for rotatably supporting a hub of a bicycle wheel on a shaft comprises at least one annular element with an outer conical surface which is pressed between the outer surface of shaft and the inner conical surface of the inner ring of a rolling bearing.

Abstract: A bicycle bearing assembly has a spindle rotatably coupled within an outer tubular member via bearing members. The spindle preferably has a pair of annular grooves, which are formed in its outer surface by cold rolling the spindle. Similarly, the tubular outer member is cold rolled to form a pair of corresponding annular grooves in its internal surface. The cold rolling process of forming the tubular outer member results in its external surface also deformed to create a similar corresponding profile to the internal surface. This cold rolling creates a very smooth bearing surface for the bearing members. In one embodiment, the bicycle bearing assembly is a bottom bracket for a bicycle. In other embodiments, the bicycle bearing assembly is a hub for a wheel bicycle. The hub can be either a front hub or a rear hub.

Abstract: An improved crank axle for bicycle in which the tapered sleeve and the tapered bearing is provided with a retaining ring such that the tapered sleeve and the tapered bearing are integrally interconnected. The overall rigidity is enhanced and the service life is prolonged. A water-proof effect can be also attained and the crank axle can be quickly manufactured and assembled.

Abstract: A bicycle head tube packing arrangement includes a head tube, a hexagon head sleeve fixed to the inside of the head tube, a tubular shaft inserted through the hexagon head sleeve with both ends respectively fastened to a handlebar stem and a front fork, a nut threaded onto an outer thread on the tubular shaft to hold a first axle bearing around the tubular shaft below a lower collar on the tubular shaft, a screw cap threaded onto an inner thread at the top of the head tube to hold a second axle bearing around the tubular shaft above an upper collar on the tubular shaft.

Abstract: This invention relates to a pedal bearing system for a pedal bearing housing of a bicycle pedal bearing, in which a cartridge case is used, with an outer bearing ring of an end of the pedal bearing including a case-centering ring that retains the cartridge case.

Abstract: A bearing assembly for a bottom bracket which includes a sleeve through which an axle rotatably extends with two sets of bearing assembly disposed between the sleeve and the axle. Each bearing assembly has an annular cap which has a lip member extending radially and inwardly from an inner periphery thereof, and an annular race which is disposed between the annular cap and the lip member so as to rotatably receive balls between the annular cap and the annular race. A bushing is mounted to the axle and inserted between the axle and the annular race.

Abstract: A head set disposed at each one of two ends of a head tube of a bicycle includes a bowl member having a neck portion inserted into the head tube and a skirt portion with a first groove defined therein, a ring member force-fitted into said neck portion, a plurality of balls received in the first groove, an annular member having a second groove defined therein so that the balls are rotatably received between the first groove and the second groove, and a race member engaging with and positioning the annular member. The ring member has a first flange and the race member has a second flange which is overlappingly disposed with the first flange in a longitudinal direction of the head set.

Abstract: A hub of a bicycle includes a hub shell which has two dust caps threadedly engaged to both ends of the hub shell, a sleeve inserted in the hub shell and located between the two dust caps, an axle rotatably inserted in the sleeve and has a first and a second flanges extending therefrom for a bearing disposed between the first flange and one of the two dust caps and between the second flange and the other dust cap, the axle having a third and a fourth flanges extending therefrom between the first and the second flanges, a first bearing and a second bearing respectively disposed between the first and the third flanges and between the second and the fourth flanges.

Abstract: A journal for a head tube of a bicycle includes a lower race fitted on an upper end of the head tube through which a steerer tube extends, the lower race having a first annular recess defined therein for receiving a plurality of balls. An upper race is securely mounted on the steerer tube and an annular element is securely disposed between the balls and the lower race. The annular element has a skirt portion extending radially outwardly from an outer periphery thereof which extends above the lower race and a track portion formed on an inner periphery thereof for rotatably receiving the balls therein.

Abstract: A headset assembly includes a race mounted on a ball bearing rotatably mounted in an upper bowl. A compression member has two semi-annular urging elements each mounted between a steerer tube and the race and each having an outer tapered surface engaged on an inner tapered surface of the race. A cap is mounted around the steerer tube and supported on the upper bowl. A biasing member is mounted between the two semi-annular urging elements and the cap. A sleeve is fixedly mounted around the steerer tube and urged on the cap.