SRAM Black SRAM XO DUB PM MTB Wide 170mm left crankarm 2026

Crank arm. Left side. Length: 170 mm. Material: Carbon. X0 Eagle AXS Transmission Power Meter Crank Arm provides riders with accurate, live power data delivery housed in Sram’s most advanced aluminum crankset. The power meter technology is integrated through what Sram calls “DUB-PWR” – a unique design that elegantly houses Quarq’s reliable and accurate power measurement inside the DUB crank spindle itself. Measuring left-side power to calculate total watts, it’s subtle, lightweight, compatible with any chainring setup, and boasts unbeatable battery life. It is also compatible with the Flight Attendant system, allowing for total connectivity between all AXS enabled components. No-compromise, no-fuss data delivery with robustness in mind.

• innovative DUB-PWR design allows for lightweight, subtle Quarq power integration
• compatible with RockShox Flight Attendant
• unique, groundbreaking design integrated with the lightest aluminum crankset on the market
• +/- 3% accuracy
• long battery life (400+hours)
• user replaceable AAA lithium battery
• waterproof (IPX7 waterproof to 1 meter for 30 minutes)
• right arm, BB, chainring and spider not included
• compatibility: all SRAM Road WIDE DUB BBs
• Weight: 329 gram
• Additional details: Q-factor: 174mm, chainline: 55mm
• Delivery contents: power meter spindle and left crank arm, w/o right crank arm, bottom bracket, spider and chainrings