CRANK MODEL:SS1
CRANK MATERIAL:FORGED AL-6061-T6
CRANK FINISH:HBK+拉丝
BCD:104/64MM
LENGTH:170MM
CHAINRING:42/32/22T
CHAINRING FINISH AND MATERIAL:
42T:HBK+CNC,ALLOY-2014-T6,32-22T:ED,STEEL
SPEED:9/10S
CHAIN LINE:50MM
B.B.AXLE:113MM