Bicycle accessories is a general term for all parts and accessories of the bicycle body. According to the large structural frame of the body, it can be divided into: frame, tire, pedal parts, front fork components, chain, flywheel and other categories.
Among the 25 accessories such as bicycle frame, tires, pedals, brakes and chains, the basic components are indispensable. Among them, the frame is the skeleton of the bicycle, which bears the greatest weight of people and goods. According to the working characteristics of each accessory, it can be roughly divided into guiding system, driving system and braking system.