The SRAM Apex AXS Wide Left Crank Arm and Power Meter Spindle Assembly offers a smart and seamless way to upgrade your drivetrain with reliable, real-time power measurement. Engineered for performance-driven cyclists, it features a spindle-based power meter system that calculates total wattage by measuring the left legs outputperfect for tracking progress and optimizing your training.

Hidden inside the DUB spindle, the technology is sleek and subtle, preserving your bikes aesthetics while delivering consistent and accurate data. Built on SRAMs proven Quarq platform, it ensures long-lasting precision, a lightweight design, and over 400 hours of battery life from a single AAA lithium battery. It’s also IPX7 waterproof-rated, so its ready for all-weather rides.

Key Features:

• Spindle-Based Power Meter – DUB-PWR design captures left-side power to calculate total watts with Quarqs trusted accuracy.

• Low-Maintenance and Long-Lasting – Offers over 400 hours of battery life and is powered by a replaceable AAA lithium battery.

• Durable and Compatible – Lightweight and IPX7 waterproof, this power meter integrates with any DUB bottom bracket setup (sold separately).