After some advice if possible. My brother in law has just bought a second hand Dirty harry frame which came with rotor agiles cranks and a q-ring. From what I gather the chainring is sitting on the outside of the spider to improve the chain line and allow for clearance against the chain stay. Problem is he ordered an MRP chain guide [seat tube mounted] but it isn’t spaced over far enough although additional spacers could be made and used.
Has anyone on here got a similar set up here with an off the shelf solution?

Just bumping on the off chance…