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  2. List of bicycle parts - Wikipedia

    en.wikipedia.org/wiki/List_of_bicycle_parts

    Portage strap: a strap (usually made of leather) attached to the inside of the bike frame, designed to make carrying the bike over one's shoulder easier; Pulley wheel: see Jockey wheel; Power meter: a device on a bicycle that measures the power output of the rider; Quick release: a skewer with a lever on one end that loosens when the lever is ...

  3. Bicycle drivetrain systems - Wikipedia

    en.wikipedia.org/wiki/Bicycle_drivetrain_systems

    In 1991, a two-wheel drive bicycle was marketed under the Legacy name. It used a flexible shaft and two bevel gears to transmit torque from the rear wheel, driven by a conventional bicycle chain with derailleurs, to the front wheel. [11] In 1994, Steve Christini and Mike Dunn introduced a two-wheel drive option. [12]

  4. Shifter (bicycle part) - Wikipedia

    en.wikipedia.org/wiki/Shifter_(bicycle_part)

    A bicycle shifter or gear control or gear levers is a component used to control the gearing mechanisms and select the desired gear ratio. Typically, they operate either a derailleur mechanism or an internal hub gear mechanism. In either case, the control is operated by moving a cable that connects the shifter to the gear mechanism.

  5. Bicycle gearing - Wikipedia

    en.wikipedia.org/wiki/Bicycle_gearing

    A Rohloff Speedhub hub gear A Shimano XT rear derailleur on a mountain bike A bicycle gearbox with chain tensioner. Bicycle gearing is the aspect of a bicycle drivetrain that determines the relation between the cadence, the rate at which the rider pedals, and the rate at which the drive wheel turns.

  6. Derailleur - Wikipedia

    en.wikipedia.org/wiki/Derailleur

    Campagnolo Super Record rear derailleur (1983) Shimano XT rear derailleur on a mountain bike Pulley wheels for a rear derailleur The rear derailleur has two functions: it moves the chain between rear sprockets while taking up chain slack caused by moving to a smaller sprocket at the rear or a smaller chainring by the front derailleur.

  7. Electronic gear-shifting system - Wikipedia

    en.wikipedia.org/wiki/Electronic_gear-shifting...

    A set of small satellite shifter buttons, called Blips, can be connected to the shift levers or aero shift module (BlipBox) and placed anywhere along the handlebars as part of the system. A maximum of four Blips can be used per bike. The company also took the opportunity to introduce a new shifting convention with this system.

  8. Gearbox bicycle - Wikipedia

    en.wikipedia.org/wiki/Gearbox_bicycle

    Nicolai gearbox mountain bike Pinion P1.18 gearbox installed in a bicycle frame Instinctiv Modern full suspension carbon gearbox mountain bike. A gearbox bicycle is a bicycle that uses a gearbox [1] [2] to convert torque and rotational speed from the power source, usually the rider's legs, to what is desired at the drive wheel.

  9. Dainese - Wikipedia

    en.wikipedia.org/wiki/Dainese

    Dainese D-air is an electronically actuated airbag system developed for motorcyclists. Development began in 1995 and the first working prototype was tested on a race track in 2000. Dainese D-air activated for the first time in an official race when the Italian rider Simone Grotkyj crashed during a 2007 MotoGP practice session at the Valencia ...

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