ZOOM Upgrade 4 Pistons MTB Bike Hydraulic Brakes Mountain Bicycle HB-876 Oil Pressure Disc Brakes,Black 900mm/1600mm
- The newly upgraded four-piston design, the brake lever transmits the oil pressure directly to the brake pads.Compared with the double-piston brake of the same level, the braking force is increased by 25%, the wear resistance is increased by 150%, the brakes are kept stable, and the braking effect is higher.
