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Reviews about Shimano DURA-ACE Road Crankset FC-7900
Shimano DURA-ACE Road Crankset FC-7900:
Shimano FC-7900 double chainring crankset
Description:
This sleek aerodynamic Dura-Ace Hollowtech II crankset features significant weight saving and increased rigidity through the use of a 20% stiffer chainring, resulting in optimal shifting & power transfer.
Features:
Thin-walled forged aluminum crank | Lightweight & Strong.
Hollow chainring | Lightweight & rigid.
New tooth design | Improved chain contact for power efficiency.
Revised seal design for BB adaptor | Smoother rotation and longer durability.
Specifications:
Series: DURA-ACE
Crank construction: HOLLOWTECH II
Cassette compatibility: 10-speed
Chain compatibility: Super narrow HG for 10-speed
Hyperdrive: Yes
Dual SIS: Yes
Reinforced Spider: Yes
Chainring sets: 53-42T, 52-39T, 53-39T, 54-42T, 55-42T, 56-44T
Bolt circle diametes: 130mm
Crank Arm Length: 165/167.5/170/172.5/175/177.5/180mm
Crank arms: Forged aluminium/anodized
Chainrings: Aluminium/anodized
Chain guard: No
Bottom bracket: SM-BB7900
Chain Line: 4.5mm
- Spindle Length
- BB Shell width
- 68/70mm
- Average weight
- 725g including BB
SPECS
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