Shimano STEPS RT-EM600-M Disc Brake Rotor with Integrated Speed Sensor Magnet - 180mm Center Lock For eBike Silver. Shimano STEPS RT-EM600 disc brake rotors for speed sensor systems provide consistent and powerful braking on rugged mountain bike trails.

Using Shimanos 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