Crank Arms Left Power Meter CYCLING POWER TRAINING Shimano Ultegra R8100

As easy to install as it is to use, and discreet on the bike, the Crank Arms Power Meter CYCLING STAGES Power L will delight competitors in search of absolute performance.

This version is designed for Shimano Ultegra R8100 cranksetscranksets, this Crank Arms is easily installed as a replacement for the Crank Arms traditional left-hand gear. Even lighter, slimmer and smoother, yet more robust, it can easily be transferred from one bike to another, so you can take advantage of power information on all your bikes, and raise your training to a professional level.

Further improved, with an accuracy of +/- 1.5%, thisCrank Arms is equipped with four strain gauges positioned along its entire length, enabling the detection of the slightest bend in the road surface. Crank Arms and thus determine the power. This data is then transferred to your computer or smartphone via dual Bluetooth and ANT+ connectivity, and used directly by the StagesPower app to draw up your training plans and analyze your performance.

Important information: 
The integrated sensor on the Crank Arms is approximately 5 mm thick. 
Check that the distance between the Crank Arms and frame is 5 mm greater before installation.