Features of the Shimano SLX BL-M7100/BR-M7100 Disc Brake and Lever Seamless braking raises rider concentration and enjoyment Optimized lever axle position with additional contact point and refined ergonomics Stable and versatile High-Performance brake control 10% stiffer than M7000 even under High temp conditions Quicker brake engagement with shorter free stroke Rider tunable Greater flexibility and action-optimized cockpit layout Simple set up and adjustment Toolless reach adjust