Sunshine at last, test rode it and am well pleased with the shock mod, just set the sag at 20mm, 10 clicks out on the rebound, 3 turns out on the high speed compression, 20 clicks out on the low speed. Ride height set to standard with shorter dog bones, it's useful working at an engineering company! Result after 2 years of fiddling with the handling, it's finally how i want it. A new pair of 021s are the icing on the cake. The shock mod is a great budget answer to rear end problems, many thanks to devilsyam for doing the research. Only problem now is i have ground the blobs off the footrests