TOBWOLF Upgrade Four-Piston MTB Disc Brake Set, Hydraulic Brakes Kit with 160mm Rotors & Ceramic Brake Pads, Left Front 85cm & Right Rear 145cm Disc Brake Conversion Kit for Mountain Bike E-Bike

Features & Benefits A few warm tips on minimizing the noises made by disc brakes: 1. If you have ridden fewer than 300 km on your bike, the brakes are not yet fully ridden in. In this case it is very ...