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Stages Power L Shimano Ultegra R8100 Left Power Meter Crank Arm 170mm

Stages Power L Shimano Ultegra R8100 Left Power Meter Crank Arm 170mm

Brand: Stages

SKU: ST/U81L-C

Regular price $489.00 Full price
Sale price $489.00
Club price
Regular price $799.95 Full price

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Product Details

Description

The Stages Power L Shimano Ultegra R8100 Left Power Meter Crank Arm brings precise, reliable power measurement to your road training by using high-precision strain gauge sensors with accuracy within +/-1.5 percent variance margins. Thanks to integrated Active Temperature Compensation, you get consistent wattage data even when conditions change quickly. With dual ANT+ and Bluetooth Smart, it sends power to compatible head units and training apps at the same time, so your sessions stay clear and trackable. The ultra-lightweight design adds only 15 grams to your Shimano hollow-forged crank arm, making it ideal for riders who want accurate power without feeling extra weight or complexity.

Key Features

  • Strain gauge accuracy within +/-1.5%
  • Active temperature compensation for stable watts
  • Dual ANT+ and Bluetooth Smart transmission
  • Adds just 15g to Shimano crank
  • Built for Hollowtech II integration

Accurate power you can trust

Measure your efforts with strain gauge technology delivering accurate wattage across real-world riding conditions.

Reliable in changing weather

Active temperature compensation helps keep your power readings steady when ambient temperatures swing.

Flexible connectivity

Use both ANT+ and Bluetooth Smart to stream power to head units and training apps simultaneously.

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