The Magene P715S is a dual-sided Shimano SPD-SL-compatible power meter pedal in a sharp silver and black finish - and one of the most affordable dual-sided SPD-SL pedal power meters available. 1% claimed accuracy, an embedded gyroscope, active temperature compensation, 120 hours of battery life and seven advanced training metrics put true left/right pedal-based power within reach of riders already running Shimano cleats. Key Features Dual-sided power measurement: embedded power meter spindles measure true left and right leg watts independently for honest, racing-grade data 1% claimed accuracy: high-precision strain gauges, gyroscope and temperature compensation keep numbers consistent through changing conditions Embedded gyroscope: measures real-time angular velocity for accurate watts at every point in the pedal stroke - no smoothed-out estimates 120-hour battery life: Garmin-rivalling endurance with rechargeable lithium battery, no fiddly coin cells Magnetic charging: snaps on, fast charge, full top-up in 3 hours - no clip-on cradles to lose 7 advanced training metrics: power, cadence, left/right balance, torque effectiveness, pedalling smoothness, power phase and riding position 1-minute installation: standard 8 mm hex wrench fits, removes and swaps between bikes in under a minute ANT+ and Bluetooth dual protocol: connect one Bluetooth device and unlimited ANT+ devices simultaneously Cross-platform compatibility: works with Magene, Garmin, Wahoo, IGPSPORT, Bryton, XOSS, Black Bird and the major training apps including Zwift, TrainerRoad, Strava, TrainingPeaks and Rouvy IPX7 waterproof: rides through rain, spray and a properly mucky winter without flinching Active temperature compensation: adjusts the algorithm for changes in altitude and temperature for stable accuracy in any conditions Specifications Type: dual-sided power meter pedals Power accuracy: 1% Power range: 0-2,500 W Cadence range: 20-240 rpm Q-factor: 55 mm Wireless protocol: Bluetooth and ANT+ Battery life: 120 hr Charging: magnetic, full charge in 3 hr Waterproof rating: IPX7 Operating temperature: -20C to +50C Calibration: automatic and manual via Magene Utility app or compatible head unit Brand: Magene Cleat type: Shimano SPD-SL compatible Stack height: 13 mm Weight: 318 g per pair Construction: composite carbon body, precipitation-hardened stainless steel spindle Finish: Silver/Black