:roll: well, it doesnt matter anymore.
the project's been kyboshed.
still, wonder if there is a way of using a cam belt from something and welding appropriately teethed rings to the crank and rear cassette...
i'd love to convert my sons bike to belt drive. shame its not that big a market really
avoids using those nasty spikey cog thingys! plus, he can leave it out in the rain without me shaking my head in as much dissaproval.