MAIN PARAMETER Bearing Length:1120mm (44″), Disc Diameter:220mm(8.66″), Chain Sprocket: 530 37 Tooth 58mm. The thickest part of the axle is 33mm (1.3″). Please noted picture specific information. HIGH QUALITY This is a versatile and solid keyed live rear axle for DIY Go Kart projects or rebuilds. APPLICATION Fit for quad ATV buggy go kart. Fit many 50cc 70cc 90cc atv quads, go karts such as atomik , motowork, DHZ , LEI etc. WHAT CAN YOU GET Axle Kit come with rear axle, pair of pillow blocks, sprocket, brake disc and pair of 4 bolt wheel hubs. BEST SERVICE 100% Refund Guarantee, please be assured the purchase. Our products are sent from the US and can be delivered quickly. If you have any questions or quality issue,please feel free to contact us. NICE CHOOSE will do our best to help you solve the problem. Specification: This is a live axle kit for DIY rebuild Go Kart, ATV, Quad and Drift Trikes Axle Overall length (from end to end): 1120mm (44″) The thickest part of the axle is 33mm (1.3″) Chain Sprocket: 530 37 Tooth 58mm Brake Disc Diameter: 220mm(8.66″) Spline teeth: 24T Fits (For the reference): Perfect for DIY gokart projects or rebuilds Fit for quad ATV buggy go kart Fit many atv quads, go karts such as atomik , motowork, DHZ , LEI etc Package included: Rear Axle + Pair of pillow blocks + Sprocket + Brake Disc + Pair of 4 bolt wheel hubs