Shimano Ultegra 12 Speed Double Power Meter Chainset 172.5mm

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Shimano Ultegra 12 Speed Double Power Meter Chainset 172.5mm

Bringing the exceptional accuracy and performance of DURA-ACE technology to a more accessible price point, the Shimano Ultegra FC-R8100-P Power Meter Chainset delivers pro-level power measurement for serious riders without compromising on reliability or weight. This 12-speed double chainset is designed for smooth, precise shifting and consistent data you can trust for training and racing.

- DURA-ACE derived power meter with ±1.5% accuracy for reliable left/right power data

- 172.5mm crank arm length suited to a wide range of rider heights and positions

- HollowTech II crank construction for optimal stiffness and reduced weight

- 4-arm hollow forged aluminium crank arms with a direct mount chainring interface

- 12-speed compatible chainrings (50-34T or 52-36T options) for smooth gear progression

- Chainline of 44.5mm designed for road disc and rim brake framesets

- Simple setup and calibration via compatible Shimano or third-party cycle computers

- Integrated axle and bearing system for long-lasting smooth rotation

- Uses standard Shimano chainring bolts and existing bottom bracket standards (BB86, BSA, etc.)

Whether you are chasing personal bests or fine-tuning your training zones, the Ultegra R8100-P power meter chainset offers the performance you need at a sensible cost.

GTIN: 4550170821142