Left Crank Arm and Power Meter Spindle Assembly for 172.5mm Cranks 12 13 Speed Drivetrains DUB PM Spindle Carbon Fiber E1 Pro Grade Readout for Precise Left Leg Watts Tracking

Single left crank arm power meter spindle for 172.5mm SRAM
✔️ Carbon fiber, DUB spindle, IPX7 waterproof, 12/13-speed, 172.5mm

This left crank arm with an integrated power meter spindle adds precise left-leg wattage tracking to your 172.5mm crank setup, compatible with 12/13-speed SRAM Force AXS drivetrains. Built to handle endurance, road, and gravel rides in harsh conditions.

✅ Lightweight carbon fiber construction for strong power transfer and ride efficiency
✅ DUB spindle provides reliable integration with SRAM drivetrains
✅ IPX7 waterproof rating withstands harsh weather and washes
✅ 172.5mm crank length and 47.5mm chainline fit 12/13-speed SRAM Force AXS

💡 What is a left crank arm power meter spindle used for in high-performance SRAM Force AXS setups? It provides precise data on left-leg power and total output for training decisions.
- Provides targeted workouts with left-leg data
- Integrates with DUB spindle and 12/13-speed drivetrains
- Supports pacing and performance tracking

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