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  2. Detangler - Wikipedia

    en.wikipedia.org/wiki/Detangler

    The cables are split in this way to ensure that the detangler mechanism moves equally on both sides. A simpler, less common variation of the system, termed a "dual cables" brake, does away with the splitters for the upper and lower cables, instead simply running two cables from the brake lever to the detangler and from there to the brake.

  3. Quick release skewer - Wikipedia

    en.wikipedia.org/wiki/Quick_release_skewer

    A quick release skewer is a mechanism for attaching a wheel to a bicycle. It consists of a rod threaded on one end and with a lever operated cam assembly on the other. The rod is inserted into the hollow axle of the wheel, a special nut is threaded on, and the lever is closed to tighten the cam and secure the wheel to the fork.

  4. Bicycle brake - Wikipedia

    en.wikipedia.org/wiki/Bicycle_brake

    Many hydraulic disc brakes have a self-adjusting mechanism so as the brake pad wears, the pistons keep the distance from the pad to the disc consistent to maintain the same brake lever throw. Some hydraulic brakes, especially older ones, and most mechanical discs have manual controls to adjust the pad-to-rotor gap.

  5. Bicycle handlebar - Wikipedia

    en.wikipedia.org/wiki/Bicycle_handlebar

    Cyclocross brake levers are sized to fit drop style bars, and would also not fit a mountain bike handlebar. The other common lever/grip size is used for mountain and city handlebars, including flat bars, riser bars, some porteur bars, etc. On these bars the lever and grip areas have a 22.2 mm (7 ⁄ 8 in) diameter. Hence, thumb shift levers ...

  6. Shimano Total Integration - Wikipedia

    en.wikipedia.org/wiki/Shimano_Total_Integration

    Shimano STI Dual Control shifter and brake lever: 1. Main lever 2. Release lever A. Pulling the main lever towards the rider applies the brake B. Pushing the main lever towards the center of the bike downshifts one, two or three gears depending on how far the lever is pushed (right hand shifter) or changes from a small chainring to a larger chainring (left hand shifter)

  7. Lever - Wikipedia

    en.wikipedia.org/wiki/Lever

    The lever is operated by applying an input force F A at a point A located by the coordinate vector r A on the bar. The lever then exerts an output force F B at the point B located by r B. The rotation of the lever about the fulcrum P is defined by the rotation angle θ in radians. Archimedes lever, Engraving from Mechanics Magazine, published ...

  8. Torque wrench - Wikipedia

    en.wikipedia.org/wiki/Torque_wrench

    A click torque wrench. A torque wrench is a tool used to apply a specific torque to a fastener such as a nut, bolt, or lag screw.It is usually in the form of a socket wrench with an indicating scale, or an internal mechanism which will indicate (as by 'clicking', a specific movement of the tool handle in relation to the tool head) when a specified (adjustable) torque value has been reached ...

  9. Crank (mechanism) - Wikipedia

    en.wikipedia.org/wiki/Crank_(mechanism)

    The brake pedal is pushed forward as far as possible setting brakes on the rear wheel. Third: See that spark control lever, which is the short lever located on top of the steering wheel on the right side, is back as far as possible toward the driver and the long lever, on top of the steering column controlling the carburetor, is pushed forward ...