MODEL : TL039 CRANK MODEL : HX-2H/B CRANK MATERIAL : FORGED AL-6061-T6 CRANK FINISH : AA BCD : 64MM LENGTH : 165-175MM CHAINRING : 42-32-22T CHAINRING FINISH AND MATERIAL : 42T-32-22T : HSL,STEEL SPEED : 7/8S CHAIN LINE : 47.5MM B.B.AXLE : 113MM