Moin together, have a question about the tyres on my Heinemann Z4012: There are original the ingenious tar slitters 4.00-8/4PR mounted on a steel rim with 3,00×8 ET0. The tyre size 4.00-8/4PR is entered because I have to hang the trailer 90% behind my ATV for gardening and firewood, no bigger tires come into question, at least as far as the diameter is concerned. Now I thought, I mount there the following, wider, wheel/tire combination, which I, as should be different, have already been at home: Felge: 5,5 x 8 ET0 tyres: 16,5 x 6,5 x 8 which would have worked theoretically, if I did not have the axle flange, where the wheelbabe is located, in the zeal of calculating and measuring would have overlooked, because now the tires grinds very much for it. 🙁 Now I have put under to try larger washers and would need a lane widening of 10mm per side. Can someone tell me, if there is no suitable answer for that.