蒙自JM8-221I

类别:

蒙自ROAD CRANKSETS

产品描述

Crank

165/170mm (Forged Al6061-T6)

Chainring

34/50T (Steel)

BB (Bottom Bracket)

Taper Square 113mm/M8

Chain line

43.5mm

Speed

2x9S/2x10S