蒙自TD-421I

类别:

蒙自ROAD CRANKSETS

产品描述

Crank

165/170mm (Forged Al6061-T6)

Chainring

39/52T, 42/52T (Steel)

Bottom Bracket (BB)

Taper Square 113mm/M8

Chain line

43.5mm

BCD

110mm

Speed

2x9S/2x10S