4iiii Innovations PRECISION PRO DUAL SIDED - 2023

This is a DUAL-SIDED 4iiii PRECISION PRO Shimano DURA-ACE 9200 Power Meter. Brought to you from the company that invented ANT+.

This power meter features the 4iiii PRECISION PRO sensors both sides of a a Shimano 12-speed DA 9200 crank arm. The result is one of the lightest, most affordable and most accurate power meters available.

The PRECISION PRO determines your total power based on the force that is generated by both legs independently. This power meter does not require any special installation different than when installing a standard crank-set. There are no magnets or wires. The power meter adds only 20 grams to the crank set and is ready to roll when installed.

The 4iiii power meter is accurate to +/- 1.0% and comes with a full 3-year warranty. In addition, it is compatible with both ANT+ and Bluetooth SMART devices. This means you can use it with your favorite bicycle computer, watch or smart phone. The claimed battery life is 800+ hours of use on regular CR2032 coin cell batteries.