CRANK MODEL:FX4
CRANK MATERIAL:FORGED AL-6061-T6
CRANK FINISH:HBK+拉丝
BCD:104/64MM
LENGTH:152-175MM
CHAINRING:42/32/22T
CHAINRING FINISH AND MATERIAL:
ED,STEEL
SPEED:9-11S
CHAIN LINE:50MM
B.B.AXLE:113MM