4IIII PRECISION Power Meters (with your crank arm)


4IIII power meters are used by:

  • Marcel Kittlel riding for Quick-Step Floors Cycling Team  

  • 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. 

PRECISION Factory Install is installed on your existing left crank.


For Testing Your Bike Frame Compatibility for 4iiii PRECISION Powermeter Please –Click Here.

For Factory Install Crank Compatibility (As of May 15, 2017)

Please -Click Here-

For shipping we would have you ship your crank here, then we would do the rest and shipping between here and Canada would be about $40 plus the shipping back to you.

Weight 1 lbs
Dimensions 10 × 2.5 × 2 in