As a follow up to my earlier S & S thread I have a quick question about belt drive gear systems. Can a belt drive be fitted to a Moots ybb, slider (or 'other'?) type of frame? I've been looking at pictures of the ybb unit but I can't quite figure out if it can be disassembled to allow a belt to pass through to sit within the frame and drive a ring and cog. Or, does the slider dropout design allow this? Does anything allow this on a Moots frame? Thank you, Mongo.