The axle made by high strength chrome, bend proof, can support more than 500lbs.
The sprocket can be changed to other type, just make sure the dimension same as this 37T chain sprocket.
Fits 7"-10" wheels with 3" distance from bolt hole to another contiguous bolt hole.
It has almost all the rear-end parts you need.

Come with:
(1) Axle
(1) 530 37T chain sprocket
(1) Brake Disc
(2) 1.18" Pillow block bearings
(2) 4 bolt pattern wheel hub