4iiii Dura Ace R9100 PRECISION PRO installed incl. crankset

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)