Full left/right power data for Shimano SPD-SL road cleats.

The Garmin Rally RS210 is the dual-sensing pedal power meter for road cycling with Shimano SPD-SL cleats, delivering complete bilateral power measurement for Shimano road riders. Both left and right pedals are independently measured for true total power plus left/right balance, seated vs. standing time, power phase analysis, and cleat position insights. A reimagined strain gauge and added gyroscope deliver accuracy within +/- 1%. Pedal IQ smart calibration alerts you when calibration is needed. Up to 90 hours battery per charge. Transfers easily between bikes. Pairs with compatible Garmin Edge cycling computers and the Garmin Connect app.

The RS210 is the complete power solution for Shimano SPD-SL road riders who want every bilateral metric available.