Sram Powermeter upgrade Quarq Rival AXS left without bottom bracket 170 mm

Power on every ride. We've taken the reliability, elegance and features of Quarq's legendary shaft-based powermeter and lowered the barrier to entry once again. This new powermeter platform is fully housed in the DUB shaft for a clean integration that fits more bikes than ever before. It's an invisible technology that adds minimal weight and helps you get to your destination faster. With it, any eTap AXS bike can be retrofitted with power.

PRODUCT SPECS:

• A sleek, integrated design
• Wave-based DUB-PWR unit measures left-side power to calculate total wattage.
• Proven Quarq reliability and accuracy
• Long battery life (over 400 hours) for a full season of use
• User-replaceable lithium AAA battery
• DUB inner bearing provides durability and simplicity
• Waterproof (IPX7 tested to 1 meter for 30 minutes)
• Lightweight (less than 40 grams added weight to standard crankset)
• Easy and inexpensive upgrade for powermeter