FSA POWERBOX WATTMETER
Axle type: 386 EVO (compatible with practically all frame types)
Battery replacement requirement: CR2450 400 hours or 12,000 km –
Accuracy: +/-2%
Arm length: 175 mm
Chainchains, pitch: 110 bcd, 50/34T, with this pitch it can be easily varied to larger pitch chains!
Communication: ANT+ wireless
Perfect waterproofness at the battery, pharmacy condition, used for a few months! You can see the green light signal in the picture!