Bought to replace Pirelli Scorpion ST in the same size, which were brilliant tyres on road, pretty good off it and gave 60k miles before needing replacement. The STR was a huge (and expensive) disappointment after the ST. Dry grip about the same as the ST, wet grip definitely worse, useless off road and in snow and lasted 28k before needing replacement. The only positive thing I can say is that they were slightly quieter than the STs. Would not recommend and will not be buying again.