CRANK MODEL:RD-2
CRANK MATERIAL:FORGED AL-6061-T6
CRANK FINISH:ABK
BCD:130MM
LENGTH:165-175MM
CHAINRING:53/39T
CHAINRING FINISH AND MATERIAL :
HBK+CNC,ALLOY-6061-T6
SPEED:9/10S
CHAIN LINE:43.5MM
B.B.AXLE:110.5MM