SRAM Rival E1 DUB Left Arm and Power Meter Spindle (Right Arm/BB/Spider/Chainrings not included)

The Rival power meter unit is entirely contained within the DUB spindle for effortless integration with any bike. Just install, pair, and ride. SRAM Rival AXS Groupset ReviewKey Features:Spindle-based unit measures left side power to calculate total watts Long battery life (400+ hours) to power a season of rides User replaceable lithium AAA battery DUB bottom bracket adds durability and simplicity (Sold Separately) Waterproof (IPX7 waterproof to 1 meter for 30 minutes) Lightweight (less than 40g heavier than standard crankset)