High-performance brake controlDeore M6120 offers powerful four-piston braking to provide optimal control on the trail.With I-SPEC EV clamp bands providing an additional contact point for a stiffer brake lever, four-piston brake calipers, and proven SERVO WAVE Action, Deore M6120 is a winner..Lightweight four-piston disc brake caliper includes resin padsQuicker brake engagement with shorter free strokeSuperior modulation gives you greater controlRider tunable and action-optimized cockpitI-SPEC EV clamp band creates clean cockpit with additional contact point for stiffer leverSERVO WAVE Action technology allows quicker engagement with shorter free stroke