Stages Power Campagnolo Super Record 12 Speed 172.5 mm. The new Gen 3 single-sided Stages Power L meter is built onto a non-drive-side Campagnolo Super Record crank arm. Tour Proven Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product-proving ground, then Stages Power is proven as the world’s best power meter. Active Temperature Compensation as Standard Equipment Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process, ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system. Frame Compatibility: Most frames – Device Compatibility: ANT+, Bluetooth Smart Ready – Software Compatibility: Stages Link, Training Peaks, Strava, Garmin Training Center, and others. Black / 172.5mm. The Stages Power L meter is built onto a Campagnolo Super Record 12 Speed non-drive crank arm. This meter comes ready to bolt on, including Campagnolo’s Ultra-Torque non-drive bottom bracket bearing. Stages Power meters for Campagnolo carbon cranks have been two years in the making and feature a custom developed strain gage that precisely measures your power through the structure of a Campagnolo-designed hollow carbon crank arm. The new Stages Power meter is slimmer, and up to 28-percent lower profile than our original meter. It’s sleeker by way of a 17% reduction in frontal area, and we’ve also made it stronger. The new housing design increases the strength of the battery door and housing connection by 200-percent over the previous design. Stages Power L Accuracy: ±1.5% (compared with Generation 2 Accuracy: ± 2%). Weight: Only less than 20gr to base crank arm. Battery Life: 200+ hours (coin cell: CR2032). Power Range (Watts): 0 – 2500. Cadence range (rpm): 20 – 220. Frame Compatibility: Most frames, see the fit guide in our Support section. Crank Compatibility: Campagnolo Super Record. Device Compatibility: ANT+, Bluetooth Smart Ready. Software Compatibility: Training Peaks, Strava, Garmin Training Center and others. Accelerometer based cadence measurement.