Shimano RT-EM910 - W/LOCK RINGSHIMANO RT EM910 disc brake rotors for speed sensor systems deliver powerful and consistent brake performance in all riding conditions. The compact and lightweight 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

Rotor Size (mm): 140

so you can venture far beyond the beaten path

Reduces shoe tread interference and protects carbon-soled shoes

Composed of heat treated aluminum

Ideal for riders seeking expert-level maintenance and replacement parts

Easy to clean and re-use

5% accuracy

For a P-Series bike

and S5C models

Refined cage shape results in faster and more accurate front shifts

K-Edge Combo/Accessory Mount Included

the larger surface contact area-to-weight ratio is the best in class