MODEL : TL026 CRANK MODEL : FX8 TOX CRANK MATERIAL : FORGED AL-6061-T6 CRANK FINISH : HBK+ABK BCD : 104/64MM LENGTH : 165-175MM CHAINRING : 42-32-22T CHAINRING FINISH AND MATERIAL : 42T：HBK+CNC,ALLOY，32-22T ：ED,STEEL SPEED : 9/10S CHAIN LINE : 49.5MM Q-FACTOR : 174.5MM B.B.AXLE : Ø24MM/138MM