・ Superior modulation gives you better control"More rapide piston return・Higher braking power gives you more confidence and control when going downhill"Reduces brake disc oscillation noise and increases braking power by 10% (compared to M8000)" With four pistons・Mounting rapide and easy"Banjo type connection and internal wiring passage.FeaturesThe SHIMANO DEORE XT M8120 caliper offers consistent braking performance, and reliable stopping power in all conditions. The 4 pistons caliper enhances confidence and control on downhill runs.