3D power meter technology (patent pending) measures tri-axial strain on your crank arm Produces accurate and consistent data Lightweight, compact design compatible with most frames (see attached pdf to check clearance) Easily replaceable common CR2032 coin cell lithium ion battery with status indicator in the 4iiii app Compatible with ANT+, Bluetooth Smart head units, smartphones, and other 4iiii products User-friendly app and configurable rider compensation scale factor Easy setup and maintenance
Specifications Weight: 9 grams Data accuracy: +/- 1% error margin Battery life: 100+ riding hours on 2032 coin cell battery
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