[DavisDad]

Originally Posted by cadandcookies

SDP-SI sells double sided timing belts in metric and imperial sizes. I would recommend metric, as you'll have more choices. You're looking under Timing Belts.

I'm looking at maybe doubling up 9mm belts, but you could also try 15mm or something thinner. You're looking at $20-$100 per tread depending on width and length of the belt.

Here's a nice tool for sizing belts and pulleys: B&B Manufacturing Belt Calculator