Bike Derailleurs 3x7 21 Speed Switch MTB Bicycle Shifter Levers Brake with Shift Cable Cycling Disc Handle for Bike Trekking Type:3X7speed Main Color:Imitative Oak

Main Color:Imitative Oak

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product description

Bike Derailleurs 3x7 21 Speed Switch MTB Bicycle Shifter Levers Brake with Shift Cable Cycling Disc Handle for Bike Trekking Type:3X7speed Main Color:Imitative OakDescription: Left hand handles three shift selector, and right hand handle seven shift shifter,easy to adjust speed. Practice in use: the visual gear position display ensure the gear change is clear at a glance. Speed governor: 21 speed mountain bike variable speed governor transmission one piece brake. Ergonomic design: 3x7 speed shift brake handle provides an ergonomically designed finger position and trigger style handle. Wide application: suitable