4iiii Precision 3+ Pro Shimano Ultegra FC-R8100 Apple Find My power meter with chainrings

If you’re looking for the very latest technology, your bike is fitted with the Shimano Ultegra FC-R8100 groupset; this crankset, featuring the 4iiii Precision 3+ Pro power meter and the Apple Find My chip, is the perfect combination. Because as well as combining all the qualities of Shimano’s chainrings and cranks, this crankset is enhanced with a power meter that will help you better plan your rides with a view to improving your performance.

What’s more, the 4iiii sensor features the Apple Find My chip, which enables you to track your bike’s location when it is stationary. This is handy for keeping an eye on your bike via the app on an iPhone, iPad or Apple Watch, particularly in the event of loss or theft.

Technical specifications:

- Shimano Ultegra FC-R8100 crank arm lengths: 165mm, 170mm, 172.5mm, 175mm
- Chainrings: 50-34T, 52-36T
- Weight: 9 grams per sensor
- Accuracy: ±1%
- Battery type: CR2032 lithium-ion button cell
- Battery life: up to 800 hours
- Water resistance rating: IPx7
- Cadence range: 30–170 revolutions per minute
- Power range: 0–4000 watts
- Operating temperature: 0–50 degrees
- Communication protocols: ANT+, Bluetooth