Sram Rival Wide Axs Dub Left Crank With Power Meter. Power every ride with the SRAM Rival Wide AXS power meter. This elegant upgrade integrates Quarq´s legendary power measurement technology invisibly within the DUB crank spindle. It measures left-side power to calculate total watts with proven accuracy and reliability. With a 400+ hour user-replaceable AAA battery, IPX7 waterproofing, and minimal weight gain, it´s the simplest, most affordable way to unlock your potential on any eTap AXS bike. Get the data you need to get to the finish line faster. This SRAM Rival AXS power meter crank upgrade is praised for its easy installation with standard tools. The left-side crank arm provides accurate and reliable power data, with readings comparable to other trusted power meters. It connects seamlessly to bike computers and the SRAM app without losing communication. This high-quality power meter uses a long-lasting, standard AAA battery. While it only measures left-side power, it´s a top-value upgrade for structured training. Be sure to select the correct standard or "Wide" DUB spindle for your bike´s compatibility. 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: 175mm- Bb Spindle Interface: Dub- Bb Compatibility: All Sram Road Dub Bbs, All Sram Road Wide Dub Bbs- Bolt Circle Diameter (Bcd): Direct Mount (Dm)Technology:AXS:- AXS is SRAM´s new bike component integration system that connects electronic bicycle components and software. The SRAM AXS app allows riders to see battery status, change component behavior, personalize controls, get maintenance reminders, and update firmware.DUB:- The relationship between bottom bracket spindle and bearing is the core of DUB technology. It´s where stiffness meets durability. We took it a step beyond conventional thinking and made everything simpler-better integrating the relationship between chainring, crank, spindle and bottom bracket. It´s this approach to developing a complete system that equals better drivetrain performance.DUB-PWR:- DUB-PWR takes Quarg´s reliable and accurate power measurement and elegantly houses it inside the DUB crank spindle for compatibility with any chainring setup, measuring left side power to calculate total watts. It´s lightweight, invisible and attainable. tradeinn Bikeinn