ITEM NO.:RSC1-117(BCD130 or 144mm)
RSC3-117(BCD110mm)
● Crank arm alloy forged, BCD:110, 130, 144.
Length: 165, 170, 175.
● Chainring: 39～68T CNC machined.
Color: Black or silver. and option others colors.
● Chainring bolt & nut: CR-MO steel.
● Compatible B.B: square/ ISIS.
