For a fair few years Ive been running mainly BFG A/T's as 'all-rounders' but I'm currently 'trialling' a set of Toyo Open Country A/T's.
I have seen plenty of cases over the years of differing tyre brands cracking/splitting in the side walls mainly due to running too high speed on low pressures. I know more than a couple of guys who do this, by lowering pressures to around 20psi for a beach area, then going out onto a gravel road to another area & driving at speeds around 80kph on 20psi. Over not too much time this damages the sidewall, even if driven on soft sand/beach at those speeds.
Ive only done about 25,000km on these tyres so far since last September, & that's been a combination of long bitumen highway treks, rough goldfields gravel roads & beach/dune driving. no sign of any cracking in these as yet, but I don't do 80kph on 20psi.
verdict on the A/T so far, great on rough gravel/dirt roads, fair on highway, not so great in deep sand. No chunks missing after long runs on very rough/stony gravel roads.
They have very high straight sidewalls with little shoulder protection, which wouldn't be good in offroad areas where sharp stakes are likely.
Other than that they are overall fairly good, wearing well, & Im happy with the quality, & I might try the M/Ts this winter on my 'offroad wheels'. These currently have Mickey Thompson M/T's which are a very tough tyre & surprising capable in soft sand, but need replacing very soon.
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