chain drive
111Derailleur gears — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic Dual …
112Hub gear — Sturmey Archer SX3 A Sturmey Archer AM bicycle hub gear mechanism wi …
113List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
114Su Song — 蘇頌 (Sū Sòng) Born 1020 near Quanzhou Died 1101 (aged 80–81) Nationality Chinese …
115Sprocket — 16 tooth sprocket. Do = Sprocket diameter. Dp = Pitch diameter A sprocket and roller chain This article is about a gear o …
116Bicycle — For other uses, see Bicycle (disambiguation). A mountain bike, a popular multi use bicycle. A bicycle, also known as a bike, pushbike or cycle, is a human powered, pedal driven, single track vehicle, having two wheels attached to a frame, one… …
117Mechanical advantage — is a measure of the force amplification achieved by using a tool, mechanical device or machine system. Ideally, the device preserves the input power and simply trades off forces against movement to obtain a desired amplification in the output… …
118Wrench — For other uses, see Wrench (disambiguation). A set of chrome vanadium metric wrenches, open at one end, box/ring at the other. This type is commonly known as a combination wrench. A wrench or spanner is a tool used to provide grip and mechanical… …
119Motorcycle components — and systems for a motorcycle are engineered, manufactured, and assembled in order to produce motorcycle models with the desired performance, aesthetics, and cost. The key components of modern motorcycles are presented below. Contents 1 Chassis… …
120Motorized bicycle — A VéloSoleX motorized bicycle A motorized bicycle, motorbike, cyclemotor, or vélomoteur is a bicycle with an attached motor and transmission used either to power the vehicle unassisted, or to assist with pedaling. Since it always retains both… …
