Stages cycling power r g3 cw chainrings ultegra r8000ridden by three tdf winners and multiple championship winners to victory, stages power metres have been proven to be able to perform at the most elite level of the sport'. '.strtoupper('t')his right sided power meter provides readings with an accuracy of within 1.5% and can be used with any shimano road drivetrain'. '.strtoupper('i')ncreased accuracystages has built on what it learned when producing its gen 2 model, by developing the technology even further for increased accuracy of the readings'. '.strtoupper('t')his gen 3 model is assembled within an ultegra r8000 drive side crank arm and is individually calibrated'. '.strtoupper('t')his ensures it provides an accuracy that can be trusted by avid amateurs and professionals on the world tour'. '.strtoupper('r')eliable readings in any weatherto ensure the measurements remain consistent in any weather type, stages introduced a feature that's never been seen integrated into a power meter before'. '.strtoupper('t')he feature is “active temperature compensation” and stages added this technology to account for any sudden temperature changes that you might encounter on your ride'. '.strtoupper('i')f temperature changes are not accounted for, it can result in false and inaccurate data'. '.strtoupper('s')trong connection other improvements include more powerful bluetooth and ant transmitters'. '.strtoupper('t')hese improvements ensure the power meter provides a powerful and stable connection with your cycle computer is maintained'. '.strtoupper('a')lso, thanks to the addition of a more advanced accelerometer, the power meter has a faster sampling rate for more up to date feedback on your performance.featuresaccelerometer based cadence measurement wirelessly upgradable firmware led indicator displays battery level updated accelerometer and addition of gyroscope upgraded ble and ant radios offer a 6x improvement of data transmission strengthbattery life 200 hours coin cell cr2032 when used as a single sided meterpower range watts 0 to 5000cadence range rpm 10 220water resistance rating ipx7weight only adds 20g to base crank armcompatibility compatible with all shimano hollowtech ii road drivetrains frame compatibility most frames device compatibility ant, bluetooth smart ready software compatibility stageslink, training peaks, strava, garmin training centre and othersin the box • power meter right side power only high quality cr2032 coin cell battery product identification card with serial number and ant i.d'. '.strtoupper('n')umber user guidebuy stages cycling components from chain reaction cycles, the world's largest online bike store.