Left Crank Arm With Power Meter Spindle, Wide 170mm Carbon, 12/13-Speed Compatibility, Dub PM Spindle, E1, IPX7 Waterproof, Long Battery Life, Pro Grade Power Readout For Serious Training And All Day Rides

Single power meter left crank arm in carbon with DUB spindle
✔️ Left carbon crank arm with power meter spindle, 160mm, SRAM DUB

This left crank arm with power meter spindle is designed to measure left-side power and deliver a precise total watt readout for training. It’s commonly used on road and mountain bikes for precise training data and pacing on long rides and workouts.

✅ Length: 160 mm
✅ Spindle interface: SRAM DUB
✅ Power meter: left-side spindle-based unit for total watts
✅ Waterproof: IPX7 (1 m for 30 minutes)
✅ Battery life: long battery life for a season of rides
✅ Compatibility: 12/13-speed drivetrains
✅ Includes: left crank arm with PM spindle; other components sold separately

💡 What is a power meter crank arm used for in cycling training and performance analytics?

It's a handy tool for cyclists who want real-time power data to guide workouts.

- left-side watt measurement provides total watts insight
- handy for pacing and training zones
- IPX7 waterproof and long battery life support all-day rides
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