I have two hydro walk behinds, they are both husqvarna. One is a 48 inch deck and the other is a 36. Both have singled wheeled velke's on them. The one that was on the 36 recently has kept getting clogged with wet grass then the tire would not roll. So if I was in high, wet grass I would have to stop at least 3 times a day and unscrew the bolt, take the wheel off and pull out the compacted grass. Well from this happening all the time, needless to say the tire has become ruined. The whole side of it is completely shredded. So I go to this dealer and I buy a brand new tire, but I dont buy one that you need to fill with air, this one is always filled. So I put the tire one and now it makes this weird vibrating feeling on my feet when I am using it. I greased it heavily and it really didnt do anything, also when I am mowing up small hills or grades, the front of the mower now lifts up. Are there different sizes for this velke wheel? Has someone ever experianced this first-hand? It is just really annoying now.