Upgrade your MTB or gravel bike braking with the Shimano SLX BL‑M7100 rear hydraulic brake lever paired with the BR‑M7100 2‑piston post‑mount caliper. Featuring Servo‑Wave action for quick engagement, toolless reach adjust, Shadow RD+‑tuned modulation, pre‑bled hose, I‑SPEC EV mounting, and high-performance stopping power.