Shepherd oil resistant rubber Viper scooter wheel. 2-1/2" diameter x 7/8" wide with a 1/4" id hub. Max load per wheel is 80 lbs. Weighs in at 1/2 lbs.

10" Diameter x 3" wide pneumatic steel rimmed wheel. Size is 4.10/3.50 with a knobby thread, 5/8" bore and each handles loads uptp 300 lbs. 30psi and weighs in at 3lbs.

Plastic utility wheel. 3-1/2" diameter x 1-1-4" wide and a 5/16" hub. Ribbed tread. Weighs in at 1/2 lbs.

Rubber tread wheel 7-3/4" x 2" wide cross tread. 1/2" id hub. weighing in at 3 lbs.

Black Rubber Wheel 6" diameter, 2" wide with 1-3/16" hub. Load is 400 lbs. No bearing hub. Weighs 4 lbs.

Red Polyurethane ball bearing wheel. 3" diameter, 1-1/4" wide with a 3/8" bore. Load rating is 180 lbs and weighs 1/2 lbs.