I have an IQ XS (same mirror, smaller body as IQX I think?) and a supernova E2 pure 2 (older model?) on my road bike and Brompton and I’d not want to really use either for anything particularly technical off-road. I also find the E3 pure 2 has a bit of a dark spot right in the middle in front of the wheel which is very odd. For both find the throw is good, but they are too narrow for anything other than double track/bike path type use, but great for road use. I also have an exposure revo which I find much better off-road, even if nominally less bright.
However if doing anything serious off-road a helmet light would more than make up for the lack of width on any road legal dynamo light, and probably good anyway so it follows your eyes and not the handlebars!
I have an IQ XS (same mirror, smaller body as IQX I think?) and a supernova E2 pure 2 (older model?) on my road bike and Brompton and I’d not want to really use either for anything particularly technical off-road. I also find the E3 pure 2 has a bit of a dark spot right in the middle in front of the wheel which is very odd. For both find the throw is good, but they are too narrow for anything other than double track/bike path type use, but great for road use. I also have an exposure revo which I find much better off-road, even if nominally less bright.
However if doing anything serious off-road a helmet light would more than make up for the lack of width on any road legal dynamo light, and probably good anyway so it follows your eyes and not the handlebars!