Sram:

Power every ride. Weve taken the reliability, elegance and features of Quarqs 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. Its 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 mins)
• Lightweight (less than 40g heavier than standard crankset)
• Simple and affordable power meter upgrade option

SPECIFICATIONS
Speeds: n/a
Crank arm length: 160mm, 165mm, 170mm, 172.5mm, 175mm
BB Compatibility: All SRAM Road DUB BBs
Chainring Size: No rings
Bolt Circle Diameter (BCD): Direct Mount (DM)
Chainline: n/a
BB Spindle Interface: DUB
Chainring material: No rings
Guard: No Guard
Crank arm material: Aluminum
Color (Crank arm): Black
Power Meter Type: Spindle
Hub Spacing Compatibility: n/a