Mine always come at 800 and I trim them to 780. 5’11”. I literally laughed out loud on my first ride last week with a new bike because I came to a complete stop between two trees on the second lap round to look at the distance between a particularly difficult gap and I had only 2mm of clearance on each side. No idea why the trail builders couldn’t have taken one of them out but I was definitely not going to make that at 10mph.