4iiii Precision 3+ Pro Ultegra R8100 Dual-Sided Power Meter Chainset
by 4iiii
Regular price£875.00 Sale priceDual-sided crankset power meter
4iiii Precision 3+ Pro Ultegra R8100 Dual-Sided Power Meter Chainset
A complete Shimano Ultegra R8100 chainset with Precision 3+ Pro sensors on both crank arms. It measures each leg independently, giving true left/right balance alongside total power.
Highlights
Why we rate it
True left/right balance
Separate sensors on each arm record what each leg is doing, rather than estimating from one side.
Ride ready
Supplied as a full Ultegra R8100 chainset with the meters already fitted and set up.
Useful pedalling metrics
Reports pedal smoothness and torque effectiveness as well as power and cadence.
Apple Find My
Can be registered with Apple's Find My network to help locate it if lost or stolen.
Tech specs
Specification
Manufacturer specification. Details may change without notice.
Specification
- Compatibility
- Shimano Ultegra R8100 12-speed, Hollowtech II 24mm bottom brackets
- Measurement
- Dual-sided, independent left and right
- Chainring options
- 50/34T, 52/36T
- Added weight
- 29g
- Battery life
- Up to 550 hours
- Accuracy
- ±1%
- Connectivity
- ANT+ and Bluetooth Smart
- Battery
- CR2032 coin cell
- Profile
- 5.5mm
- Power range
- 0–4,000W
- Cadence range
- 30–170rpm
- Water resistance
- IPX7
- Operating temperature
- 0–50°C
- Warranty
- 3 years
In the box
- Includes
- Shimano Ultegra R8100 chainset with Precision 3+ Pro dual-sided power meter installed, CR2032 batteries
Ordering
Available from The Cycle Collective
Available to order through The Cycle Collective in Dorking. For availability, setup or advice, call 0203 148 6764 or email hello@thecyclecollective.cc.