SRAM Rival E1 DUB Left Arm and Powermeter Spindle
The SRAM Rival E1 DUB Left Arm and Powermeter Spindle is fully integrated within the DUB spindle, offering a sleek, low-profile design that fits effortlessly with any bike. Simply install, pair, and ride for instant power measurement without added complexity.
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 compatible adds durability and simplicity
- Simple installation, pairing, and ride-ready setup
- Waterproof (IPX7 rated to 1 metre for 30 minutes)
- Lightweight design (less than 40g heavier than standard crankset)










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