Shimano XT BL-M8100 Replacement Right Hydraulic Brake Lever without Caliper Black. Deore XT BL-M8100 Hydraulic Brake LeverFeatures a stiffer brake lever design that provides added support for aggressive ridingServo Wave Action technology means quicker brake engagement with shorter free strokeToolless Reach Adjust and Free Stroke technology allow lever to be adjusted to fit any hand or riding preferenceI-SPEC EV creates a clean and action-optimized cockpit that provides greater focus and flexibility for a wider range of ridersDisc brake caliper sold separately