We now have Folding Bleacher Company parts and hardware in stock. We are currently stocking the Portable Bleacher Floor Pad, and also the Folding Bleacher Drive Wheels. The Folding Bleacher Portable Bleacher Floor Pad is 1″ high, 2-1/2″ diameter and has a 5/16″ diameter hole, it also comes with the fastening hardware. The Folding Bleacher Drive Wheel is 6″ in diameter, 9-1/2″ wide, and has a 3/4″ diameter key way. The axle is 15-1/8″ long, and is offered with a choice of 1- 20 tooth sprocket or 2- 20 tooth sprockets. Other sprockets are available, please call or email for more information on those sprockets. If you have any questions on the Folding Bleacher Company, please call or email our Bleacher Experts!