ROTOR Q-Rings 1x Direct Mount Oval Chainring PDL Accepted by the UCI for

Accepted by the UCI for road competition - the perimeter edge of the Catalyst brake rotor does not contain any 90 degree edges

The Quad Lock® Bike Mount is the lightest

flat studs for fast and quiet rolling

A quick and easy way to freshen up your chain

Narrow Q-factor and more ankle clearance

ROTOR Q-Rings 1x Direct Mount Oval Chainring PDL Accepted by the UCI forIntroducing the new oval Direct Mount with OCP Mount. OCP Mounts patent pending, proprietary technology allows the oval Direct Mount to be adjusted in 1 degree increments for optimized pedaling biomechanics. 12. 5% ovality heightens the performance advantages of oval chainrings; no other oval chainring in the growing oval chainring category offers the adjustment options plus unique ovality all aimed at improving pedaling performance. Specifications