Product Description The Rival 1 Wide DUB crankset by SRAM for 1x12-speed drivetrains allows for left-sided power measurement thanks to the power meter that is inconspicuously integrated into the axle. It creates an outwardly shifted chainline of 47.5 mm for more tyre clearance. Information regarding the return of batteries and electrical equipment:Information on the return and disposal of used batteries and electrical equipment can be found here. Specifications:Application:Gravel, RoadType:crankset with power meter (left)Compatibility:1x12-speedChainring Mount:SRAM Direct MountTechnical Information:Series:RivalCrank Arm Material:AluminiumChainring Material:AluminiumGradation:40 tooth, 46 toothCrank Arm Length:160.0 mm, 165.0 mm, 170.0 mm, 172.5 mm, 175.0 mmChainline:47.5 mmAxle Diameter:28.99 mmRecommended Bottom Bracket:all DUB Road WideTolerance:+/- 3%Point of Measurement:crank axlePower Source:AAA micro batteryBattery Life:400+ hData Collected:power (left side), cadence, torqueWaterproof:IPX7Data Transfer:ANT+, BluetoothCompatibility:142 mm standard widthFeatures:DUB-PWR Axis unit measures left-sided power to determine total wattageelegant integrated designproven reliability and accuracy with QUARQ technologywide: 5 mm longer axle, chainline shifted outwards especially for bikes with wide gravel tyresDUB bottom bracket system for durability and simplicityenergy display (total power), calibration, battery status display via applong battery life covers an entire seasonuser-replaceable batteryIPX7 waterproof up to 1 meter for 30 minuteslight: only 40 g heavier than standard cranksetManufacturer Numbers:160.0 mm 40 tooth:00.3018.296.008165.0 mm 40 tooth:00.3018.296.000165.0 mm 46 tooth:00.3018.296.004170.0 mm 40 tooth:00.3018.296.001170.0 mm 46 tooth:00.3018.296.005172.5 mm 40 tooth:00.3018.296.002172.5 mm 46 tooth:00.3018.296.006175.0 mm 40 tooth:00.3018.296.003175.0 mm 46 tooth:00.3018.296.007Contents:1 x SRAM Rival 1 Wide DUB Crankset with power meter axle1 x SRAM chainring1 x AAA battery Manufacturer: SRAM LLC 1000 W. Fulton Market 4th Floor Chicago IL 60607 USA info@sram.com Distributor: SRAM Europe Sales and Services B.V. Paasbosweg 16 3862 ZS Nijkerk Netherlands info@sram.com