The bicycle wheel includes a rim, a hub, a driving device, a plurality of first side pulling spokes, a plurality of first side pushing spokes, and a plurality of second side spokes. The rim has a first side and a second side. The hub is located in a center...

A hidden hydraulic structure of a bike disc brake is integrally disposed with a bike body tube. The hidden hydraulic structure of the bike disc brake includes a base (200) , a piston ( 3000) , a linking member (31) , an oil tube and a disc braking unit. Th...

An automatic control shock absorber system for a bicycle is provided. The system includes one or more sensors. A controller outputs a control signal to a damping adjuster according to the one or more sensors, such that the damping adjuster controls level o...