DIYMINIBIKES

This 10″ x 6″ steel trailer wheel has a 5 on 4-1/2 bolt pattern, a 3.140″ pilot diameter, and a solid-center design.
Specs:
Rim dimensions: 10″ diameter x 6″ wide
Bolt pattern: 5 on 4-1/2″
Wheel bolt size: 1/2″-20
Capacity: 1,200 lbs
Pilot diameter: 3.140″
Backspacing: 2-1/4″
The 5 on 4-1/2 inch bolt pattern is the most popular 5 bolt lug pattern found on trailer wheels. There’s an easy way to measure and be sure though. You need to measure from the center of one lug to the center of the lug nearest to it.If the distance is:
2-5/8″ -the bolt pattern is 5 on 4-1/2
2-3/4″ – the bolt pattern is 5 on 4-3/4
3″ – the bolt pattern is 5 on 5
3-1/4″ – the bolt pattern is 5 on 5-1/2