They are awsome,only complaint with one was loud,put the peformance made up for it greatly,23x7 on dl 50 7100 @ sealevel on 16.5lb edge incredible!Also ran 25x7 on evo 58 6600rpm,26x10 on zdz rv-j 6100 on crappy muffler,babula 26x10 peaked 5850,Rich is great to deal with,please post results sure you will be happy,eventually i will post more,thanks