I've just acquired one and was fitting parts tonight and hit a snag with the rear disc brake.
Where the disc mount is on the seatstay, but the dropout runs inside the seatstay (slidey dropouts, etc.), there's a gap between the mount and the rotor of the same width as the dropout (7mm approx), which is far too much for the disc brake mount adaptor to cover (shimano brakes if it matters)
I can shim out the mount by the same amount (if I had enough shims) but am I missing a trick somewhere? Can you get equivalent thickness spacers, if so where?

