1、Derailleur: apparatus used to transfer the chain from one toothed wheel to another.Shifter: solid, movable arm, attached to a fixed point, that increases applied force.Locking bolt: piece of metal, placed at the centre, with a head at one end and a thread at the other. Used with a nut.Control cable:
2、 set of braided steel wires, used to control the brakes.Sheath bushing: piece that holds the brake cable in place.Control cable: set of braided steel wires, used to control the brakes.Tension spring: part that returns a second part to its initial position.Adjustable stop screw: small piece of metal
3、that regulates the tension of the gear cable.Roller: metal protuberance used to transfer the chain from gear to gear.Frame or roller: mechanism that permits the operation of the moving part of the bicycle.Clutch: cylindrical part.Jockey roller: metal protuberance used to transfer the chain from gear to gear.Cable: set of braided steel wires used to control the brakes.Chain guide: part of the mechanism guiding movable parts.Nut or hub: piece of metal with a threaded hole at its centre. Used with a bolt.Gear: wheel of the gear system.Frame: chassis of a bicycle.
