Chris you are right the genuine are expensive, I said somewhere that I only get about 3 months out of a set of rear wheels, that's because I buy the chinese rubbish which they are . The things you have to watch for are the tyre spinning on the rim, to fix this I put a couple of screws through the tyre into the rim, the other thing is they go out of round if you know what I mean, you cant mow a nice lawn if your wheels aren't round. I don't know why Honda don't make rubber rear wheels with steel rims like the old toro commercial mowers have. The grey ones are the ones that spin the white ones are the ones that lose shape