Shimano Dura Ace 7900 Standard Crankset 53/39
  Shimano Dura Ace 7900 Standard Crankset 53/39
Shimano Dura Ace 7900 Standard Crankset 53/39
 
Our Price: $479.99


Product Code: CRANKS_SHIM_7900


Crank Length*: 		53/39 Standard 165mm
53/39 Standard 170mm
53/39 Standard 172.5mm
53/39 Standard 175mm

 
Description
 
Thin-wall hollow-forged aluminum crank arm provides a 20% increase in strength and power transfer at a lighter weight than previous 7800 series. Hollow outer chainring provides weight reduction with increased strength while updated spacing/profile elimitates cross-chain contact.
Features
  • Available in 165mm, 170mm, 172.5mm & 175mm
  • Thin-walled forged aluminum crank for weight savings by trimming unnecessary material
  • Hallow 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
  • Bottom bracket not included

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