STAGES CYCLING Power Meter R Shimano Dura Ace R9100 including chainrings
The Stages Power R Dura Ace R9100 for the current Dura Ace crank. It is pre-assembled on a right Ultegra R9100 crank arm and can be combined with any left Hollowtech-2 crank arm. The Power Meter R can also be supplemented by a left Hollowtech-2 compatible Stages crank arm and thus enables performance measurement on both sides with numerous advantages in the analysis and optimization of pedaling efficiency.
The housing of the Power Meter R is a new development and is optically discreet on the underside of the right crank arm. Active temperature compensation ensures the exact performance measurement of the Stages power meter even with large temperature fluctuations. Each Stages power meter is individually calibrated. This ensures +/- 1% measurement accuracy and is the industry best for non-scientific performance measurement systems. With the ANT + and Bluetooth Smart transmission standards, the Stages power meter is compatible with all ANT + -compatible bike computers and the latest smartphone models. Firmware upgrades can be carried out quickly and easily thanks to the wireless transmission to the power meter.
The low additional weight of just 20 grams not only inspires lightweight fans, it also hardly affects the performance of the bike.
Power range: 0 to 2500 watts
Accuracy: +/- 1 percent
Cadence measurement: via acceleration sensor
Cadence range: 20-220 revolutions per minute
Battery life: 200+ hours (button cell CR2032, change possible without tools)
Water resistance: IPX7
Compatibility left crank arm: Hollowtech II crank arms | Stages Hollowtech II crank arms
axle type : Hollowtech II Road
Transmission: ANT +, Bluetooth Smart Ready
Software compatibility: Training Peaks, Strava, Garmin Training Center and others
Crank length: 165, 170, 172.5 or 175 mm
bolt circle diameter : 110 mm | 4-hole asymmetrical
Chainrings: 50-34, 52-36 or 53-39
Weight: 20g (plus weight of the left crank arm)
Scope of delivery: 1x right crank arm including chainrings + stages power meter, 1x battery CR2032, instructions