STAGES CYCLING Shimano Saint M820 left crank with power meter

+/-1,5% accuracy, adds 15g to base crankarm, 200+ hours battery life, Active Temperature Compensation, accelerometer based cadence measurement, LED indicator, Near Field Communication (NFC), Bluetooth/ANT+ transmission. The single-sided Stages Power L meter is built on to a non-drive-side Shimano Saint crank arm and is compatible with all Shimano Saint and DXR Hollowtech II drivetrains. - Active temperature compensation - Accelerometer based cadence measurement or the option to use a Hall-Effect based system with magnet (coming soon) - Wirelessly upgradable firmware - LED indicator for visual indication of battery levels and zero reset confirmation without connected app or headunit - Updated accelerometer and addition of gyroscope for improved cadence resolution - NFC tap to pair for some phones and devices - Upgraded BLE and ANT+ radios offer a 6x improvement of data transmission strength Features: 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. ATC is the key reason a rider can trust data from Stages Power in all conditions. Individual meter calibration for the most accurate results: - Each Stages Power meter is calibrated individually to ensure a +/- 1,5% accuracy level, which is an industry best for non-scientific power meters. Options: - Crank length: 170mm Specifications - Accuracy: +/- 1,5% accurate in all conditions - Power meter housing: low profile design, with robust door interface. Tool free battery replacement on the left arm - Weight: Only adds 15g to base crank set - Battery life: 200+ hours (coin cell: CR2032) when used as a single sided meter - Power range (Watts): 0 - 2500 - Cadence range (rpm): 20 - 220 - Water resistance rating: IPX7 Compatibility: - Crank Compatibility: Compatible with Shimano Saint and DXR Hollowtech II drive side crank arms. - Frame Compatibility: Most frames, see fit guide in our Support section - Software Compatibility: Stages Link, Training Peaks, Strava, Garmin Training Center and others - Device Compatibility: ANT+, Bluetooth Smart Ready In the Box: - Power meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrade - 2 months free access to Stages Link premium training and coaching features - Product Identification Card with Serial Number and ANT+ ID Number - User Guide