Bike Derailleur 3x7 21 Speed Mountain Bike Derailleur Photo Brake Strap Cable Bike Disc Grip For MTB Hiking

Bike Derailleur 3x7 21 Speed Mountain Bike Derailleur Photo Brake Strap Cable Bike Disc Grip For MTB Hiking describe describe: Three-speed shifting on the  handle, seven-speed shifting lever on the right handle, easy to adjust the speed. Practice of use: Visual gearbox position display, shifting gears at a glance. Speed Controller: 21-speed variable speed mountain bike driver, integrated brake. ERGONOMIC DESIGN: 3x7 knob offers ergonomic finger position and grip. Wide Applications: Suitable for mountain bikes, city bikes, recreational vehicles, road bikes, , etc. Specification: Product Type: Bicycle Brakes Colour: Black Material: aluminum alloy handle Mounting hole Inner diameter: Approx. 22.2mm Applicable: mountain bike, city bike, recreational vehicle, road bike, folding Quantity: 1 piece

Material: 100% Plastic

Label: Yes