Stages Gen 3 Power Meter | Shimano Dura-Ace 9100 Left Side Crank Arm
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Stages Gen 3 Power Meter | Shimano Dura-Ace 9100 Left Side Crank Arm
Stages Gen 3 Power Meter | Shimano Dura-Ace 9100 Left Side Crank Arm Info
The Stages Gen 3 Power Meter — Shimano Dura-Ace 9100 Left Side Crank Arm is built to drop into your existing Dura-Ace groupset without compromise. Designed in collaboration with Shimano, it replaces your left crank arm with a unit that reads power to within ±1.5% accuracy, adding minimal weight to your setup while delivering reliable watt data on every ride.
The Gen 3 unit connects via Bluetooth and ANT+ simultaneously, so it pairs with your head unit and training apps without fuss. Setup and firmware updates are handled through the Stages app — no proprietary hardware required. At 177.5mm, this variant suits riders who have already dialed in their fit around that crank length.
Stages Gen 3 Power Meter Specs at a Glance
- Compatibility: Shimano Dura-Ace 9100 | 11-speed road
- Crank Length: 177.5mm
- Arm Material: Aluminum
- Spindle Diameter: 24mm
- Accuracy: ±1.5%
