Stages Cycling Shimano Ultegra R8100 Gen 3 Dual-Sided Power Meter Crankset
Stages Cycling Shimano Ultegra R8100 Gen 3 Dual-Sided Power Meter Crankset, The Shimano Ultegra R8100 Gen 3 Dual-Sided Power Meter Crankset replaces our Ultegra 8100 series crankset to provide accurate dual-sided power readings to improve our road cycling performance. This power meter delivers dual-sided bilateral power measurement and right and left leg specific within a +/- 1. 5% accuracy. The battery life is optimized to last over 200 hours and an LED indicator light will let us know when it's time for a battery replacement.