Crank Construction Hollowtech 2

Cassette Compatibility 10 speed

Chain Compatibility Super Narrow HG for 10 Speed

Hyperdrive yes

Dual SIS yes

Rainforced Spinder yes

Chainring Sets 5342T, 52-39T, 53-39T, 54-42T, 55-42T, 54-44T

Bolt Circle Diameter 130mm

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

At this package is not including B.B