Shimano RT-EM810 Center Lock Brake Rotor for STEPS w/ Internal Teeth

Shimano RT-EM810 Center Lock brake rotor - for E-Bikes with STEPSShimano has designed the RT-EM810 brake rotor especially for the use on e-bikes equipped with a STEPS motor. It comes with a magnet for the SM-DUE11 or EW-SS301 speed sensor for the rear whee