Welcome to Cyclepowermeters

4iiii Dura Ace R9100 PRECISION PRO installed incl. crankset

More Views

4iiii Dura Ace R9100 PRECISION PRO installed incl. crankset

RRP: £899.00

Our Price: £809.10

Availability: In Stock

Measuring power output from both right & left sides.
Ridden by the pros, PRECISION PRO dual-side power meters deliver all the benefits of our left-side model.
That's exceptional accuracy, lightweight design, ANT+ and Bluetooth compatibility, 3D powermeter technology.
Plus it also has a specific breakdown of left and right wattage. 
Perfect for those who need specific power output from each crank side,...
Or anyone who simply wants the best power meter on the market.

The PRECISION PRO Ride Ready comes pre-installed on a new Shimano DURA-ACE FC-9000 series crankset you purchase from us.

Please check your frame clearance before you order by downloading and printing the compatibility guide:
 A4 size paper (pdf)

* Required Fields

RRP: £899.00

Our Price: £809.10




  • 3D power meter technology (patent pending) measures tri-axial strain on your crank
  • 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
  • Over-the-air upgrade capability for adding new features and updates


  • Weight: 25 grams (power meter only)
  • Data accuracy: +/- 1% error margin
  • Battery life: 100+ hours on 2032 coin cell battery
  • Battery status indicator: Alert at 15% battery power
Additional Information

Additional Information

Brand 4iiii