Shimano Disc Brake Ass. Set /J-kit, SLX, BL-M7100(R), B

Building or refreshing your SLX setup? The Shimano SLX M7120 Rear J-Kit gives you everything you need—lever, four-piston caliper, and pre-bled hose—ready to integrate into your trail bike. The Servo Wave action delivers crisp engagement and smooth modulation, while the mineral-oil system keeps servicing straightforward. Just confirm your rotor size, hose routing, and frame compatibility before install, and you're good to ride.