Easton cinch 110 BCD 4 Bolt (Shimano chainrings compatible) 1% Accuracy Dual Bluetooth/ANT+ Protocol Mag charge Temperature compensation 300 hour battery life IP67 Waterproof 65 grams of weight Power/Cadence/Left right balance available Support cadence from 0 ~ 200 RPM Support power from 0 ~ 2000 W
