Shimano STEPS RT-EM810 Disc Brake Rotor for E-Bike Speed Sensor System

Shimano RT-EM810 disc brake rotors deliver powerful and consistent braking performance in all riding conditions. The Ice Tech Freeza design significantly reduces heat build-up in the system to ensure consistent, high-performance braking even on the steepest downhill stretches. Shimano's Center Lock mounting system makes installing and removing rotors quick and easy thanks to the spline mount and lock ring design. - For use with E-Bike Speed Sensor systems - Recommended Brake kit: M9120/M8120/M7120