Shimano RT-EM600 Disc Rotor 203m Center Lock Lockring Design

Shimano STEPS RT-EM600 disc brake rotors for speed sensor systems provide consistent and powerful braking on rugged mountain bike trails. Using Shimano's Ice Technology, the rotor significantly reduces heat build-up in the brake system to ensure consistent high performance braking even on the steepest downhill stretches. Center Lock lockring design offers fast and easy installation. For rear only with magnet bracket. For narrow type brake pad only. Recommended Brake kit: M6000/MT520/MT420.