Bike Derailleurs 3x7 21 Speed Switch Bicycle Shifter Levers Brake with Shift Cable Cycling Disc Handle Compatible with Bike Trekking

Description:1.Left hand handles three shift selector, and right hand handle seven shift shifter,easy to adjust speed.2.Practice in use: the visual gear position display ensure the gear change is clear at a glance.3.Speed governor: 21 speed mountain bike variable speed governor transmission Compatible With one-piece brake.4.Ergonomic design: 3x7 speed shift brake handle provides an ergonomically designed finger position and trigger-style handle.5.Wide application: suitable Compatible With city car, recreational vehicle, road car, folding and so on.Specification:Item type: Bicycle shifter brakeColor: BlackMaterial: Aluminum AlloyThe inner diameter of the handle mounting holes: About 22.2mmApplicable: city car,recreational vehicle,road car,foldingHign-concerned Chemical : NoneType : Rear Derailleur

• Enhanced Performance: The Bike Mountain Derailleur Transmission is designed to optimize the performance of your bike, ensuring smooth and precise gear shifts even on challenging terrains.
• Compatible With Durable Construction: Crafted from materials, this derailleur transmission is built to withstand tough outdoor conditions, providing long-lasting reliability and durability.
• Smooth Gear Changes: Experience effortless shifting with the Bike Mountain Derailleur Transmission, allowing you to easily switch between gears Compatible With improved efficiency and control during your rides.
• Versatile Compatible With : Compatible With a wide range of mountain bikes, this derailleur transmission is easy to install and adjust, making it suitable Compatible With both beginners and experienced riders.