MODEL : TL042 CRANK MODEL : TS-5 CRANK MATERIAL : FORGED AL-6061-T6 CRANK FINISH : AA LENGTH : 165-175MM CHAINRING : 42-34-24T CHAINRING FINISH AND MATERIAL : 42T:HSL,STEEL,34-24T : ED,STEEL SPEED : 7/8/9S CHAIN LINE : 47.5MM B.B.AXLE : 120MM