... 45# Steel Performance atv quad sprocket 11T~18T,loncin 250cc atv parts,shineray atv partsPerformance atv sprocket 11T,12T,13T,14T,15T,16T ... them as following: T093009 teeth 420 sprocket,Inner hole 6 teeth 14mm-17mmT093109 teeth 420 sprocket,Inner hole 6 teeth 17mm-20mmT103010 ... teeth 420 sprocket,Inner hole 6 teeth 14mm- ...