Shimano Steps RT-EM810 Disc Brake Rotor - 203mm Center Lock External Lockring Rear Only with Magnet Bracket. Shimano 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 easy thanks to the spine mount and lock ring design.
High heat dissipation by radiator fin
| Rotor Size (mm) | 203 |
| Pad Compatibility | All Pad Compounds |
| Rotor Type | One Piece |
| Weight | 166 |
| keyword search | RT-EM810 |
| Hub/Disc Compatibility | Center-Lock |
