Battery status indicator via 4iiii app. Compatible with ANT+, Bluetooth Smart head units, smartphones, and other 4iiii products. Data accuracy: +/- 1% error margin. Weight: 9 grams. Easy setup and maintenance.
Shimano Ultegra FC-R8100 170mm Crank Arm 4iiii 3+ Power Meter Find My
4iiii Precision Power Meter Shimano 105 FC-5800 170mm Left Hand Crank
4iiii Precision Power Meter for Shimano 105 FC-R7000 170mm Left Crank Arm 170mm
4iiii Precision Power Meter 165mm single sided Shimano Ultegra
4iiii Ultegra Power Meter R8000 170mm P3+ Featuring Apple Find My
