DUB-PWR spindle-based unit measures left side power to calculate total watts
An elegant integrated design
Proven Quarq reliability and accuracy
Long battery life (400+ hours) to power a season of rides
User replaceable lithium AAA battery
Description
SRAM Power meter spindle and left arm Rival D1 DUB - Compatibility: all Sram Road DUB BBs - DirectMount - crank arm length: 160 mm, 165 mm, 170 mm, 172.5 mm, 175 mm - chain rings not included