Scientific training requires accurate measurement and user-friendliness, and the new ULTEGRA R8100 power meter has both. Its dual-sided measurement is accurate within 2.0% and zero offset calibration is a quick and easy process. Perhaps most importantly, its long battery life, easy recharge, and ANT+ and Bluetooth®LE connectivity makes using and recording your workouts easier than ever.

Scientific training requires accurate measurement and user-friendliness, and the new ULTEGRA R8100 power meter has both. Its dual-sided measurement is accurate within 2.0% and zero offset calibration is a quick and easy process. Perhaps most importantly, its long battery life, easy recharge, and ANT+ and Bluetooth®LE connectivity makes using and recording your workouts easier than ever.

SPD® power meter for MTB and gravel with power sensor on both sides.
The best choice to take full advantage of the real dual-sided measurement.

SKU: 773-10-02

SPD® power meter for MTB and gravel with power sensor on both sides.
The best choice to take full advantage of the real dual-sided measurement.

SKU: 773-10-02

Assioma PRO RS is the lightest road power meter pedal available, with just 124.8g per pedal.
Compatible with Shimano® SPD-SL® cleats, it delivers pro-level performance and over 60 hours of use per charge—no power dropouts.

Assioma PRO RS is the lightest road power meter pedal available, with just 123.5g per pedal. Compatible with Shimano® SPD-SL® cleats, it delivers pro-level performance and over 60 hours of use per charge-no power dropouts. 

Charging cable for Giant Power Pro GPC 2 USB charging harness/ Dual side/3M