MODEL : TL024 CRANK MODEL : TD110 CRANK MATERIAL : FORGED AL-6061-T6 CRANK FINISH : ABK BCD : 110MM LENGTH : 165-175MM CHAINRING : 50-39T CHAINRING FINISH AND MATERIAL : 50T-39T : HBK+CNC,ALLOY SPEED : 8/9S CHAIN LINE : 45MM B.B.AXLE : 113MM