Garmin Rally XC200 Power Meter Pedals - Dual Sided Clipless Alloy 9/16" BLK Pair Dual-Sensing Shimano SPDInstantly see accurate power measurements on your compatible Garmin device or smartphone (sold separately), and review later via Garmin Connect app Works seamlessly with the Garmin ecosystem to allow for easy software updates, post ride analysis, data sharing, mapping, route planning and more Compatible with third party platforms such as Strava, Tacx, TrainingPeaks, TrainerRoad and more Purpose built and benchmarked against trusted pedals in the