Axle Kit come with: Axle + 428 chain sprocket + Brake D+ 1″ Pillow block bearings + 4 bolt pattern wheel hub Overall length 32 inch (810mm), 1″ in diameter and the thickest part of the axle is 1 3/16″ (30mm) This is a versatile and solid keyed live rear axle for DIY rebuild go kart, ATV, Quad, Trikes, Golf Carts Fits 6″-10″ wheels, made by high strength chrome, can support more than 500lbs Perfect for vertical or horizontal engine and electric motor Thiskitcomewith4boltpatternwheelhub,Ifyouarelookingfor3boltpatternwheelhub,heretheASINnumber:B0824QVP4X 1. The axle made by high strength chrome, bend proof, can support more than 500lbs.2. The sprocket can be changed to other type, just make sure the dimension same as this 428 chain sprocket.3. The axle is symmetric, so the brake and sprocket can be moved to a different location.4. Perfect for vertical or horizontal engines with any displacement and electric motors.5. Fits 6″-10″ wheels with 3″ distance from bolt hole to an