[Chrislong]

I thought Minipins were an evolution of the microspikes, those ones which had an overhang on the inside edge but not the outer of the rears, and a dobbin profile. They wore like cheese on a grater.

I reckon GRP's are worth a try. I ran GRP's at the HB event and they were a little quicker than Minipins for me on 4wd, and also gripped well when worn. The only other factor is that Worksop will have a few carpeted jumps and the Minipins will grip better for a nicer jump off these...

Chris