4iiii Precision 3.0+ Pro Ultegra R8100 Dual Sided Powermeter
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4iiii Precision 3.0+ Pro Ultegra R8100 Dual Sided Powermeter
Code: 6283085507
4iiii Precision 3.0+ Pro Ultegra R8100 Dual Sided Powermeter
Get ready to elevate your riding experience with the Precision 3.0+ Pro Powermeter with Apple Find My. Delivering the same reliable and highly accurate power data you’ve come to expect from 4iiii, while enjoying the peace of mind that comes with knowing the location of your bike.
With advanced metrics such as left/right balance, pedal smoothness and torque effectiveness, the Precision 3.0+ Pro Powermeter provides the data you need for training and racing. With up to 550 hours of battery life, an automatic terrain selector, +/-1% accuracy and backed by our industry-leading 3-year warranty, the Precision 3.0+ Pro Powermeter will be your trusted tool for years to come.
The Precision 3.0+ Pro Powermeter is so much more than a power meter. It’s your training partner that offers peace of mind. While you are riding, your Precision 3.0+ Pro Powermeter will transmit watts, cadence, and calories to your head unit of choice. While the power meter is not in use, Find My is enabled and allows you to see its location on a map. You can add your power meter to the Find My app and locate it on an iPhone, iPad, Mac or using the Find Items app on an Apple Watch.
Apple Find My
Offering the peace of mind in knowing where your power meter is.
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.
Cycling Metrics
Get more data like pedal smoothness and torque effectiveness to analyze and optimize your pedal stroke.
Light Weight
4iiii makes the lightest power meter on the market. We’re committed to helping you get faster, one gram at a time.
Designed to work in our tough environment. With an IPX7 waterproof rating you can be assured that your power meter can handle the toughest conditions.
Battery Life
With up to 550 hours of battery life, you won’t have to worry about changing your battery for years to come.
Automatic Terrain Selector
Detects the terrain you’re riding on for more responsive cadence and power feedback/data. Ride the roads less travelled with confidence.
Left Right Balance
A dual power meter measures the power from each individual leg to calculate your total power output.
Ultra Low Profile
With an ultra low profile design, your 4iiii power meter is compatible with more bike frames than ever before.
There are select bike frames with wide/flared BB shells that may present clearance challenges for the right side power meter. If you have questions about your bike’s clearance please contact 4iiii customer support (support@4iiii.com) prior to ordering a crankset.
A Precision 3.0+ Pro Powermeter 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 Ultegra FC-R8100
  • Shimano Dura-Ace FC-R9200
  • Left/Right Balance: CR2032 Coin Cell
  • Battery Life: Up to 550 hrs
  • Waterproof Rating: IPx7
  • Cadence Rating: 30 - 170 rpm
  • Power Range: 0 - 4,000 W
  • Profile: 5.5 mm
  • Weight: 29 g
  • Operating Temperature: 0 - 50 ºC
  • Storage Temperature: 40 - 60 ºC