4IIII PRECISION Power Meters (with crank arm)
$399.99 – $599.99
4IIII power meters are used by:
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Marcel Kittlel riding for Quick-Step Floors Cycling Team Â
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Peter Sagan riding for Bora-Hansgrohe Pro Cycling
Whether you’re a pro or simply training hard, PRECISION power meters deliver industry-leading accuracy, highly dependable cadence data, 3D power meter technology capable of measuring tri-axial strain on your crank arm. Designed to be durable and lightweight, compatible with  ANT+ and Bluetooth head units, PRECISION helps you train harder and smarter.Â
PRECISION Ride Ready comes is installed on a new Shimano left crank arm (105, Ultegra, or Dura-Ace). These crank arms will fit bottom brackets using the Hollowtech ii interface.
Weight | 1 lbs |
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Dimensions | 5 × 1 × .5 in |
PRECISION | Shimano-105 5800 165mm, Shimano-105 5800 170mm, Shimano-105 5800 172.5mm, Shimano-105 5800 175 mm, Shimano-DURA-ACE 9000 165mm, Shimano-DURA-ACE 9000 170mm, Shimano-DURA-ACE 9000 172.5mm, Shimano-DURA-ACE 9000 175mm, Shimano-Ultegra 6800 165mm, Shimano-Ultegra 6800 170mm, Shimano-Ultegra 6800 172.5, Shimano-Ultegra 6800 175mm |