Product Description

Used to pace attacks up the Alpe D’Huez in the Tour de France and to hammer on the Queen K during the Ironman World Championships, the PRECISION PRO Powermeter delivers industry leading accuracy and reliability when you need it most. Through our patented 3D Strain Gauge technology, you can be assured that the data you depend on will help lead you to your own Yellow Jersey.

The PRECISION PRO will allow you to view advanced metrics like left/right balance, pedal smoothness, torque effectiveness, and provide you with the most accurate power numbers during training and racing. Ridden by the top cyclists and triathletes in the world, the PRECISION PRO is the ultimate training tool to help you reach your goals.

Features

LIGHT WEIGHT

4iiii makes the lightest power meter on the market. We’re committed to helping you get faster, one gram at a time.
ACCURACY IN 3D

Not everyone has the perfect pedal stroke. With +/- 1% accuracy, 4iiii is the only crank-based power meter to use 3 strain gauges to measure all forces in your pedal stroke.
LEFT RIGHT BALANCE

A dual power meter measures the power from each individual leg to calculate your total power output.
CYCLING METRICS

Get more data like pedal smoothness and torque effectiveness to analyze and optimize your pedal stroke.
3 YEAR WARRANTY

A lot can happen in 3 years. You probably won’t need to use it, but it’s reassuring to know that all 4iiii power meters are backed by an industry leading 3-year warranty.

SPECIFICATIONS

Module Weight	Non-drive Side: 9g (0.3oz) Drive Side: 16g (0.6oz)
Power Range	0 - 4,000W
Cadence Range	30 - 150RPM
Communication Protocols	ANT+, Bluetooth
Operating Temperature	0 - 50°C (32 - 122°F)
Storage Temperature	-20 - 50°C (4 - 122°F)
Battery Type	CR2032 lithium ion coin cell
Battery Life	100+ hrs
Waterproof Rating	IPx7, IPx5
Length	37.7mm (1.5in)
Width	27.6mm (1.1in)
Depth	7.5mm (0.3in)

COMPATIBILITY

A 4iiii PRECISION PRO power meter is available ready to ride on any of the crankset configurations listed below. If your desired crankset isn't listed, we may have other products that are compatible.

Shimano 105 FC-R7000
Shimano Ultegra FC-R8000
Shimano Dura-Ace FC-R9100
Shimano GRX FC-RX810
Shimano XTR FC-M9100
Shimano XTR FC-M9120

Product Description

Features

LIGHT WEIGHT

ACCURACY IN 3D

LEFT RIGHT BALANCE

CYCLING METRICS

3 YEAR WARRANTY

SPECIFICATIONS

COMPATIBILITY

4iiii

4iiii PM Precision PRO Shimano 105 FC-R7000-DUAL-170mm 53-39T