Ключевые слова: asterisk, bicycle, bicycle chain, bicycle gear, bike, brake, cassette, chain, closeup, derailleur, detail, equipment, gear, gearlever, gearshift, gearwheel, hub, mechanism, mender, metal, mountain bike, mtb bike, pedal, pinion, rear derailleur, repair shop, repairing, service, setting up, spoke, sport, sprocket, system, tensioner, transmission, transport, turning, wheel, workshop,