2012 Shimano Dura Ace 7900 10 Speed Crankset


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Summary
- Part Number: FC7900
- Manufacturer: Shimano
- Manufacturer Part: FC-7900
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Sale Price $509.99
 

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Description
2012 Shimano Dura Ace FC-7900 10 speed Crankset
 
Shimano Dura Ace FC-7900 crankset features thin-walled forged aluminum to trim unnecessary material and reduce the weight.  Features an aluminum/carbon composite axle for weight savings and new design of the chainrings offer better chain contact and higher efficiency of power transfer.  This is the same crankset seen on many of the pro's bicycles.  
  • Thin-walled forged aluminum crank for weight savings by trimming unnecessary material
  • Hollow chainring for weight savings while maintaining strength
  • All gears are usable with no cross-chainring problems when used with CN-7900 chain
  • Aluminum/carbon composite axle for weight savings
  • New seal design for the bottom bracket interface for smoother rotation and longer durability
  • New teeth design for better chain contact and higher efficiency of power transfer
  • 690 gram total system weight
  • 39/53 Chainrings
  • 170mm, 172.5mm or 175mm crankarm length
  • Compatible with 7900 drivetrain and Shimano Di2 7970 drivetrain

 

 
 
 
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