ALDHU Track,ALDHU Carbon Spidered Crankset Builder | Rotor America,Track30 axle + spider,ALDHU/VEGAST Track 30 Axle + Spider,Just fyi, the Rotor track axle/spider is just mildly press fitted and glued; easy to separate and swap the axle/cranks with the Rotor INpower DM power meter. About 1200 miles with this