MODEL : TL040 CRANK MODEL : SX-2H/B CRANK MATERIAL : FORGED AL-6061-T6 CRANK FINISH : AA BCD : 64MM LENGTH : 165-175MM CHAINRING : 48-38-28T CHAINRING FINISH AND MATERIAL : ED,STEEL SPEED : 7/8/9S CHAIN LINE : 47.5MM B.B.AXLE : 116MM