Stages Power Meter - XTR M980/M985

For Shimano XTR equipped mountain bike riders we offer a Stages Power meter fit to either Shimano M980 (triple/double) or M985 model (double) crank arm. Riders looking to add power to their existing crank will need to select length, as well as crank model due to a difference in the arms' offset. Specifications: Accuracy: +/- 2 percent Weight: Only adds 20gr to base crank arm Battery life: 200+ hours (coin cell: CR2032) Tool free battery replacement Active temperature compensation Accelerometer based cadence measurement Wireless firmware upgrades Power range (Watts): 0 to 1999 Cadence range (rpm): 30-220 Frame compatibility: Most frames, see fit guide in our Support section Crank Compatibility: Shimano XTR M985 cranks Device compatibility: ANT+, Bluetooth Smart Ready Software compatibility: Training Peaks, Strava, Garmin Training Center and others Options Power meter option: Power meter (includes left arm) Color: N/A Length: 165, 170, 172.5, 175, 180mm