A bicycle hub assembly includes a hub body mounted around an axial core. The hub body has one end containing a ratchet ring that has an inner periphery formed with unidirectional ratchet teeth. A ratchet wheel is arranged between the axial core and the rat...

A bicycle hub apparatus comprises an axle, a hub member supported for rotation around the hub axle, an intermediate drive member supported for rotation around the hub axle and having a first portion and a second portion, a sensor shaft supported for rotati...

A ratchet hub device, which can be quickly meshed to drive a bicycle, includes a hub shell (50), a ratchet cylinder (401), and an axle. There are plural tooth sockets (52) and two groups of receiving notches between the hub shell (10) and the ratchet cylin...

A hub assembly for a bicycle includes a shaft (12), a hub body (40), a driven ring (43), a drive seat (10), a rotation ring (20), a plurality of pawl members (22), a plurality of push balls (23), a mounting sleeve (32), a damping ring (30), and a plurality...

A hub for a bicycle includes a shaft (12), a hub body (40), a ratchet wheel (43), a drive seat (10), a support ring (15), a rotation ring (21), a plurality of pawl members (22), a stop bushing (121), a limit ring (30) and a damper (33). Thus, when the driv...

A rear hub assembly for a bicycle has a hub (30) with two flanges (31). A recess (32) is defined in one of the flanges (31). Two bearings (401,402) are installed in the hub (30). A sleeve (38) is fastened between and coaxial with the bearings (401,402) by ...

The freewheel hub (3), in particular, for bicycles and the like comprises a rotor which consist of at least two parts (5a, 5b), carries at least one sprocket wheel, and is provided with at least one plain bearing (31) and a ratchet freewheel mechanism.