MODEL : TL049 CRANK MODEL : TL34 AA CRANK MATERIAL : FORGED AL-6061-T6 CRANK FINISH : AA BCD : 144MM LENGTH : 165-175MM CHAINRING : 42-53T CHAINRING FINISH AND MATERIAL : HBK+CNC,ALLOY CHAIN LINE : 46.5MM B.B.AXLE : 108
