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