FM550-2X GOX
Intergrated external bearing B.B system
Forged alloy crank
Finish: SB / Polish anodized SB anodized / Polish
Rings: 38T / 24T Alloy 0's available CNC percision / highlighted
Length: 175mm / 170mm
BCD: 104 / 64mm
Chainline: 48.5L
Spindle length: 133.5mm
