NEW Shimano RT-EM300 Disc Rotor 203mm price_changed_on_2023-02-21 Composite Chainring with close step

Composite Chainring with close step tooth profile for smooth shifting

Black chrome/metallic silver finish

Flex hose to help prevent valve damage

KICKR BIKE combines Wahoo's numerous indoor training innovations including the KICKR's legendary resistance and grade simulation technologies

widely spaced knobs with siping for added grip

NEW Shimano RT-EM300 Disc Rotor 203mm price_changed_on_2023-02-21 Composite Chainring with close stepSHIMANO RT EM300 disc brake rotors for speed sensor systems provide exceptional stopping power in all riding conditions. For use with Resin Organic brake pads only. Shimano's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. For use with Resin Organic brake pads only Hub Disc Compatibility Center Lock