Product Details
Whether you’re a pro or simply training hard, PRECISION left side power meters deliver industry-leading accuracy, highly dependable cadence data, 3D power meter technology capable of measuring tri-axial strain on your crank arm. Packaged into a durable, lightweight design and compatible with broad ANT+ and Bluetooth head units, PRECISION helps you train harder and smarter.

PRECISION Factory Install is installed on your existing left crank.
Factory Install Crank Compatibility

PRECISION PRO: Compatible full cranksets.

Shimano ( Road)

Dura-AceFC 9000
Dura-Ace FC R9100
Ultegra FC R8000
105 FC R7000

Shimano (MTB)
XTR FC M9000 1X
XTR FC M9020 1X
XTR FC M9100 1X
XTR FC M9120 1X
XT FC M8000 1X

SRAM
Force 1x Carbon
Force 1x AXS Carbon
XX1 Carbon
X01 Carbon

FSA
Energy
K-Force carbon

Campagnolo
Potenza

More Details

Features
3D power meter technology (patent pending) measures tri-axial strain on your crank arm
Accurate, consistent data
Lightweight, compact design
Battery status indicator via 4iiii app
Compatible with ANT+, Bluetooth Smart head units, smartphones, and other 4iiii products
User-friendly app and configurable rider compensation scale factor
Easy setup and maintenance
Specifications
Weight: 9 grams
Data accuracy: +/- 1% error margin
Battery life: 100+ riding hours on 2032 coin cell battery

How does it work?
Through our custom install process, PRECISION can be installed on a wide variety of crank arms and bike frames. We’ll work with you to determine the best fit for your bike. Once you place your order, we get in touch with the shipping logistics. You’ll then send us your left crank arm, we install a PRECISION left-side power meter on it, and we ship it back to you.

Display Compatibility
Android Apps
CatEye Cyling
Endomondo
Strava
Wahoo Fitness: Workout Tracker
plus other apps supporting Bluetooth Smart/LE bike power devices
CATEYE
Stealth evo+
Stealth 50
Strada Smart
Padrone Smart
Padrone Smart+
Garmin
Edge 500
Edge 510
Edge 520
Edge 800
Edge 810
Edge 820
Edge 1000
Edge Explore 1000
epix
Forerunner 310XT
Forerunner 735XT
Forerunner 910XT
Forerunner 920XT
fenix 2
fenix 3
fenix 3 HR

Suunto
Ambit3 Sport (Bluetooth)
iOS Apps

CatEye Cycling
Endomondo
Strava
TrainerRoad
Wahoo Fitness: Workout Tracker
plus other apps supporting Bluetooth Smart/LE bike power devices