Aluminum (mayber even PVC?) bicycle rollers might do the trick. Here's
a kit of three:
Here are some less expensive aluminum and pvc kits (near bottom of
If you could find a used set of rollers, you might be in business.
Here's a less expensive full set, with frame:
email@example.com (BlueDude) wrote in message
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.