Garmin Rally RS210 Power Meter - Dual Sensing | Shimano

Specs

Cleat Standard: Shimano SPD-SL (3-bolt)

Sensing: Dual (left and right)

Accuracy: +/- 1%

Battery: Up to 90 hrs per charge

Cycling Dynamics: Left/right balance, power phase, seated/standing, cleat position

Smart Calibration: Pedal IQ

Compatible: Garmin Edge computers, Garmin Connect

FAQ

What does dual-sensing give me that single-sensing does not?: Dual-sensing measures power from both left and right pedals independently, giving you true total power plus left/right balance, power phase, and seated vs. standing time. Single-sensing measures only the left pedal and doubles it, which estimates total power but cannot provide balance or dynamics data.

Can I move the RS210 between bikes easily?: Yes. The RS210 installs like any standard road pedal and transfers between bikes in under a minute. Pair with a new head unit via the Garmin Connect app.

What is Pedal IQ smart calibration?: Pedal IQ monitors temperature changes and other calibration factors, then alerts you on a paired Garmin device when a manual calibration is recommended to keep power data accurate.

Best For

Road cyclists on Shimano SPD-SL pedals who want complete bilateral power measurement with full cycling dynamics. The RS210 is for athletes who train with left/right balance, power phase, and seated/standing data as part of a structured performance program.