Shimano SM-RTEM810 w/Lock Ring Disc Brake Rotor

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. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. 

Features:

• High heat dissipation by radiator fin
• Lightweight
• Compact, clean, and low profile design
• Easy installation to the rear wheel
• Narrow type disc brake rotor
• Recommended Brake kit: M9120/M8120/M7120