Originally Posted by NeilMonday

I really can't see this system on any sort of custom built bike. Chains are great, because you can modify their length to accommodate different chainstay lengths, chainrings, cogs etc. I can't think of a way that a belt could be adjusted to fit different bikes except for a belt tensioner. Also, with belts it seems as though you are limited to single speed, unless they make proprietary derailleurs and cassettes.