Shimano Steps RT-EM810 Disc Brake Rotor - 203mm Center Lock External Lockring Rear Only Magnet Bracket MFPN=300-1007-021 The unique shape of the

The unique shape of the pole reduces wind drag

Multi-shifting compatible controls leaves the gearing decision up to the rider

Color Black Rim Width (Internal) 35 Brake Track None Wheel Size 27

5" width 4

Shimano Steps RT-EM810 Disc Brake Rotor - 203mm Center Lock External Lockring Rear Only Magnet Bracket MFPN=300-1007-021 The unique shape of theShimano RT EM810 disc brake rotors for speed sensor systems deliver powerful and consistent brake performance in all riding conditions. The ICE TECHNOLOGIES FREEZA rotor significantly reduces heat build up in the brake system to ensure consistent high performance braking even on the steepest downhill stretches. Recommended brake kit: Shimano M9120 M8120 M7120 1. 5mm thickness Centerlock mounting system makes installing and removing rotors quick and