Specification:
Features:
Aluminum alloy rear disc brake, durable and useful.
With strong braking force.
and stable control.
Excellent heat dissipation effect.
Easy to install and remove on your bike.
Specification:
Condition: brand new
Material: stainless steel
Color: red, black (optional)
Size: approx. 7*4.5cm/2.8*1.8inch
Package List:
1 x Disc Brake Caliper
Installation method: 
1. Loosen the screws and install the rear calipers on the disc brake bracket of . Press the lock. Check that the caliper part is to move.
2. After the brake line is fixed, make sure that the excess line does not exceed, and cut off the excess line.
3. After fixing the brake line, lower the catheter and put the catheter back in the correct position.
4. Before installing the wire, make sure that the jug integrator is all screwed to the bottom.
5. The ideal ratio of the dish to the outside of the is 1/3 and 2/3.
6. Turn the knob clockwise inside (near the wheel) until the disc is in the correct position inside the caliper. Please note that the dish is not centered in the caliper.