i only have the forks. the clamps would be good as i could compare offset etc.

top clamp = 48mm
bottom clamp = 53mm

anyone know of a set of clamps that share those?

Looking at the woodcraft clipon page it seems only the 05/06 cbr600rr, K5/K6 gsxr600 and 750 have a 48mm top clamp. I can see from pics on the net that the original cbr top clamp has a set in it down to the forks. explains why they are so short?