Up for sale here is this vintage EV idler wheel.  This is new in the original package, and the rubber is still soft.  This is guaranteed to be good.  This should fit the General Electric RS-6572 as well as the Show-N-Tell: A615, A615A, A630A, RP1751-1, RP1751B, RP1753-B, RP1783B, RP3010A, RP3011A, RP3012S, RP3070A, RP3120A, and may fit others as well.

Please be sure this is the exact idler wheel you are looking for before you buy it.  Please see my pictures for details.

US shipping and handling is $4, and international is $12.  I accept Paypal.  If you have any questions, please ask.

I have a number of other idler wheels, collectibles, and vintage electronics listed--feel free to take a look!