Rotor Optimal Chainring Position (OCP) – Flatter Terrain
The Rotor Optimal Chainring Position (OCP) – Use the Mechanical Advantage I’ve been a big fan of the Rotor Optimal Chainring Position App ever since it came out in, what, 2012? One of the FIRST people affiliated with the original ROTOR bike and crank system was named Andre, and he lived in Dallas. We rode […]