Full CNC power meter spider,  IP67 water proofing, rechargeable battery, 104BCD, 1104S BCD,110BCD 5 bolt fitting for road rings. original 4 bolt SHIMANO rings can be reused

101g, accuracy +/- 1.5%, ANT+ and BLE will talk to any Garmin, Wahoo, Zwift, Trainerroad etc

Weight                    100-103g

Accuracy                 1-2% +/-

Waterproof               IP67

Battery                     Li-ion Battery

Battery life               135-150Hrs 

Wireless                   ANT+ / Bluetooth 4.0

Measure Type          Spider

Support                     via APP

Power range             0 – 2500W

Cadence Range       30 – 220 RPM

Working Temp          -10 – 50 ℃

Data output              Power, Cadence, Balance

Warranty                  24 Months