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

Spec:
Features:
Made of high quality material, sturdy and .
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 * Brake Booster
2 * screw
4 * screw piece
2 * cylinder