Features:

Made of high quality material, sturdy and durable. The V brake block can increase the braking power when braking. Prevent the frame from deforming due to hard braking. Suitable for mountain bike. Easy to install and use.

Specifications:
Condition: 100% Brand New
Material: aluminum
Weight: Approx. 81g / 2.9oz
Size: Approx. 14*11.5cm / 5.5*4.5in
Optional Color:Aluminum color,red,black,blue

Package list:
1 * Bicycle Brake Booster
2 * screw
4 * screw piece
2 * cylinder