With quicker brake engagement and shorter free stroke, the Shimano BR-M410 brake delivers intuitive braking so you can stay focused on the trail ahead Intuitive and powerful braking Quicker brake engagement with shorter free stroke Rider tunable and action-optimized cockpit High-performance brake control Additional contact point for a stiffer brake lever 10 deg. rotation angle setting range for I-SPEC EV shifting lever Superior modulation gives you the power you need Quick piston retraction J-Kit Version: For some frames with internal routing, the J-Kit version may be easier to install, since everything is pre-bled, but the lever comes disconnected.Disconnected lever comes pre-bled with connecting bolt/built in olive pre-installed. Brake caliper is pre-bled with brake hose connected/capped. Brake Hose Kit: SM-BH59-JK-SS Standard Pads: B01S Resin Lightweight 2-piston disc brake caliper