Shimano Hydraulic disc brake 4 pistons type de tige Shimano SLX BR-M7120

・Stable and versatile high-performance braking control "Faster piston return・High braking power provides greater confidence and control when going downhill "Reduces brake disc oscillation noise and increases braking power by 10% (compared to M7000) "Four-piston・Quick and easy assembly "Banjo type connection and internal wiring passage