RPT-721-TT-1
ROAD RACE
CRANK LENGTH：170MM / 172.5MM
CHAINRING ：53-39T
BB SETS ：PW-BB68+
CRANK MATERIAL ：FORGED AL-6061-T6
CRANK FINISH ： BLACK SAND ANO.
COMPATIBILITY ：2X 11S
B.C.D. : 110MM
CHAINLINE : 43.5MM
CHAINRING MATERIAL : AL-7075-T6
CHAINRING FINISH : 100% CNC MACH., BLACK SAND ANO.
