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Code: FC-R9100
Shimano Dura Ace R9100 Chainset - 11 Speed
The R9100 series crankset achieves the ultimate in optimal power transfer. It does this through its broader Hollowtech II arm and a more reinforced outer chainring on its unique asymmetrical four-arm spider construction. The new R9100 cranks set the highest standards for ridity and lightness. 
  • Optimum power transfer
  • Best balance for lighter weight (-7g) and efficiency
  • New designed crank arm
  • HollowGlide technology for smooth shifting
  • 4-arm construction crankset
  • Shorter length of rear centre with O.L.D.135mm
  • Redesign wider gear pitch
  • Bottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durability
  • Iconic design
  • Weight: 600g
Great purchase. Fit and looks well in my bike. Very lightweight and small crankarm (165mm) makes pedalling smooth on my Triathlon bike. Recommended. Bought from Usa and arrived fast and good condition.
The usual top quality product from Shimano and works really well with very smooth changing. Very pleased with the prompt delivery too.
Super fast service again from Merlin. This great Dura Ace 9100 replaces my 9000 and I can tell you its stiffer as mentioned by Shimano. The rings are slightly closer than the older 9000 and the di2 gear changes are slightly better, and it looks great on my black Cervelo S5
Excellent crankset - very smooth, quiet, and stiff
Excellent chainset. Running 170mm with my C60. Perfect match
Very nice crankset from Shimano, very light but feels extremely solid when riding, improvement in power transfer is immediately noticeable. Merlin's customer service is very quick and helpful when answering my enquiry, very quick delivery and products arrived in perfect condition.