4iiii Precision 3+ Ultegra R8100 Left Crank Arm Powermeter - 172.5mm

Please note: This power meter was taken from a brand new stock bike and will not come with formal packaging.

 

How do you define success? Whether you are fighting for a Kona slot, spending countless hours on the indoor trainer or striving for a personal best; one thing we know, success takes time.

With up to 800 hours of battery life, +/-1% accuracy and backed by our legendary 3-year warranty, the PRECISION 3 Powermeter will be your trusted training tool for years to come.

A Ride Ready PRECISION includes and comes preinstalled on a brand-new Shimano crank arm of your choice. These crank arms will fit bottom brackets using the Hollowtech II interface.

How Does It Work?

 

A ride ready PRECISION 3 pod is already preinstalled on a brand-new Shimano crank arm at our factory. The moment you order, our fulfillment team will get it on its way to you, and you should be able to ride with power as soon as it arrives.

Important: You need to use the frame clearance pages below to ensure there is space between your crank and frame for the PRECISION 3 pods.

 

Specifications

Accuracy +/- 1%

Battery Type CR2032 Coin Cell

Battery Life Up to 800 hours

Waterproof Rating IPx7

Cadence Range 30 - 170 RPM

Power Range 0 - 4,000 W

Height 5.5mm

Weight 9g

Operating Temperature 0 to 50 °C

Communication Protocols ANT+, Bluetooth