Description: This is a live axle kit for DIY rebuild Go Kart, ATV, Quad and Drift Trikes.Specification: Type: Rear Axle KitAxle Overall length (from end to end): 1140mm (44.8″)The thickest part of the axle is 33mm (1.3″)Chain Sprocket: 530 37 Tooth 58mmBrake Disc Diameter: 220mm(8.66″)Spline teeth: 24TOther Dimensions: As pictures shownNote: Installation Instructions is not included. Professional installation is recommended.Package includes: Rear Axle + Pair of pillow blocks + Sprocket + Brake Disc + Pair of 4 bolt wheel hubs (As Picture Shown)