A quick-release includes axle having a head and an outer threaded end formed to two ends thereof. The axle is threadedly connected to the chain stay of a bicycle. The axle includes a passage defined axially therethrough. A groove is formed radially through...

Quick-release device (1) for at least partially muscle-powered two-wheeled vehicles (100) such as bicycles, with an axle unit (2) and a clamping device (3). The axle unit (2) has an axis (5) extending in an axial direction (4), a clamping device (6) at the...

An axle (2) for removably retaining a wheel on a bicycle, which axle comprises: a rotary-type connector (8) at a first end thereof; and a lever-operated cam assembly comprising a lever (3) mounted on a second end of said axle (2), which lever (3) is rotata...

A quick release hub assembly (130) has a stationary axle element (144) having a first outer face (146a), an axially opposed second outer face (146b), an opening (148a) extending between the two outer faces, a rotatable hub shell element (14) and a quick re...

A wheel quick release system for a bicycle or other wheeled vehicle where the wheel can be easily removed by a manual operation on only one side of the wheel hub but is prevented from unexpected separation at all times while engaged with the wheel. A later...

The freewheel hub, especially for a bicycle wheel, has a hub sleeve for the wheel spokes holding a sleeve (11) pressed into it. The hub also contains a drive sleeve, which holds a rim gear, and bearings (26,28). The freewheel mechanism (10) is between the ...

A rear hub 15 has a hub shaft 43 and a hub outer 61 that is configured to be mounted in a freely rotatable manner to the hub shaft 43. The hub outer 61 has an outer main body 71 and an adapter 73. The outer main body 71 is arranged on the radially inward s...

A sprocket (200,300,404a,404b,404c,404d,404e,404f,404g,404h) is adapted to be mounted to a sprocket support (74) that rotates around an axle. The sprocket comprises a sprocket body having a side surface and an inner peripheral surface defining a sprocket-m...

A sprocket support 74 for a bicycle includes a first outer peripheral surface portion 90 and a second outer peripheral surface portion 94. The first outer peripheral surface portion 90 is adapted to support an inner peripheral surface of a first sprocket f...