Go Kart Axles How Do You Mount A Wheel (rim And Tire) Onto The Rear Axle Of A Go Kart?

How do you mount a wheel (rim and tire) onto the rear axle of a go kart? - go kart axles

I am building a go-kart, and I'm on the axles and wheels, and I do not understand how I put the wheel on the axle without the wheel in constant motion, which helps. Thank you!