Shifter (bicycle part)

A twist-style seven-speed indexed shifter made by SRAM

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. Shifters are mounted on the down tube of the frame, stem, or various locations on the handlebars.

Types:^[1]

Grip shifter - a wheel with click stops surrounding the handlebar is turned until the desired gear is reached, though typically one gear at a time
Trigger shifter - a lever is pulled or pushed to change gears one at a time
Thumb shifter
Road bike shifter - integrated with brake levers^[2]

References

Bicycle parts
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Drivetrain	Pedal Crankset Chain Cogset Derailleur gears/Hub gears Gear case Sprocket
Cabling	Shifter Bowden cable Cable guide Brake Ferrule
Peripherals	Basket Bell Bottle cage Fairing Cyclocomputer Kickstand Lighting Luggage carrier Mudguards Panniers Saddlebag Spoke card Reflectors Skirt guard Training wheels

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Shifter (bicycle part)

See also

References