Sram Force AXS D2 Dub Wide power meter crank arm

Power measurement is a crucial part of training, so Sram mades it as easy as possible to upgrade your Force AXS ride with Quarq technology. DUB-PWR takes the legendary reliability and accuracy of Quarq technology and inserts it into the crank 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.

Features

• 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 AAA lithium 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).

Technical specifications

• BB spindle interface: DUB.
• BB compatibility: All SRAM Road WIDE DUB BBs, except Ai.
• Speeds: 12.
• Bolt circle diameter (bcd): Direct Mount (DM).

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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-PWR
DUB-PWR takes Quarq’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.