Shimano Dura Ace 9100-P Power Meter Crank Arms No Chainrings

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Shimano FC-R9100-P power meter crank arms without chain rings.

Shimano has developed the Dura-Ace FC-R9100-P a power meter that fits optically perfect in the current Dura-Ace 9100 Top Group. Despite its compact, discreet design, it has all the features you could want from a power meter. Also on the scales fall of integrated power meter negligible. Compared to the standard Dura-Ace 9100 Crank the PowerMeter version weighs only 60-70 more.

Material crank arms: aluminum 
Material axle : steel 
Technology crank: Hollowtech II 
Accuracy Power Meter: +/- 2% 
Communication protocol: ANT + | Bluetooth 
Technology chainrings: Hollowglide 
Crank lengths: 165 mm / 170.0 mm / 172,5mm / 175.0 mm / 180 mm 
bolt circle diameter diameter: 110 mm 
Spider: 4-arm asymmetric 
chain line : 43.5 mm 
Q: 146 mm 
Compatibility bottom bracket BB-R9100 BSA / ITA or SM-BB92-41B (optional, not included) 
Compatibility chains: Shimano HG-EV 11-speed , HG-X11 
Color: Black 

Weights (manufacturer): 

  • Crank - 609g (including chainrings) 
  • integrated measuring unit - 60-70g 

Delivery: 1x crankset Dura Ace FC-R9100-P with interierten power meter without chainrings without bottom bracket.