Sram Rival Axs Dub Left Crank With Power Meter. This SRAM Rival AXS power meter is praised for its excellent value and performance. It´s an easy-to-install upgrade that provides precise power and cadence data, connecting seamlessly with Garmin computers and training apps. This makes it a great tool for serious training with watts. Many buyers note it´s the best value-for-money power meter. However, be sure to verify compatibility, as there is frequent confusion between the standard DUB and Wide DUB versions for different road and gravel bikes. Power Every Ride. We'Ve Taken The Reliability, Elegance And Features Of Quarq'S Legendary Crank-Based Power Meter And Dropped The Barrier To Entry Once Again. This New Power Meter Platform Is Entirely Contained Within The Dub Spindle For Clean Integration That Fits More Bikes Than Ever. It'S Invisible Technology That Adds Minimal Weight And Will Help You Get To The Finish Line Faster, And Can Be Used To Upgrade Any Etap Axs Bike To Power.Features:- An Elegant Integrated Design- Dub-Pwr Spindle-Based Unit Measures Left Side Power To Calculate Total Watts- Proven Quarq Reliability And Accuracy- Long Battery Life (400+ Hours) To Power A Season Of Rides- User Replaceable Lithium Aaa Battery- Dub Bottom Bracket Adds Durability And Simplicity- Waterproof (Ipx7 Waterproof To 1 Meter For 30 Minutes)- Lightweight (Less Than 40g Heavier Than Standard Crankset)- Simple And Affordable Power Meter Upgrade OptionSpecifications:- Crank Arm Length: 172.5mm- Bb Spindle Interface: Dub- Bb Compability: All Sram Road Dub Bbs, All Sram Road Wide Dub Bbs- Bolt Circle Diameter (Bcd): Direct Mount (Dm). tradeinn Bikeinn