ThaiMTB.com

Model Number : FC-7900
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 Diameter : 130mm
Crank Arm Length : 172.5mm
Crank Arms : forged aluminum/anodized
Chainrings : aluminum/anodized
Chain Guard : no
Bottom Bracket SM-BB7900
Chain Line 43.5mm
Spindle Length -
BB Shell Width : 68/70mm
Average Weight : 725g including BB
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