Shimano Steps RT-EM810 Disc Brake Rotor - 203mm Center Lock External Lockring Rear Only Magnet Bracket MFPN=300-1007-021 Start each day with a

Start each day with a readiness score based on sleep training load and recovery and stay connected with built-in calling and voice assistant support right from your wrist

Protek Max tires feature Michelins Protek tread pattern along with a super durable 5mm puncture protection layer to ward off punctures

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

Compatible with all CINCH direct mount rings and spiders to easily convert between existing chainring standards including: direct mount 1x 2x with and without bash and 3x configurations

Shimano Steps RT-EM810 Disc Brake Rotor - 203mm Center Lock External Lockring Rear Only Magnet Bracket MFPN=300-1007-021 Start each day with aShimano 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