The Garmin Rally XC110 Single-sensing Power Meter Pedals (SPD) deliver highly accurate power and cadence data with a rechargeable battery offering long ride time and fast quick-charging, a removable sensor that easily swaps between road and off-road pedal bodies, an all-metal durable construction for tough conditions, Pedal IQ calibration alerts, wide compatibility with Garmin devices and training apps, and the ability to upgrade to dual-sensing later.