The Shimano Deore XT M8120 features consistent braking performance and reliable stopping power in all conditions. The 4-piston caliper instills greater downhill confidence and control. Shimano Deore XT - Hydraulic Disc Brake Lever has a focus on reduced weight and cross-country tuned stopping power, the Shimano Deore XT  lever provides intuitive modulation so that you can explore your limits with confidence.