That was on a gravel part of Colorado Trail, Jeff. So I had enough room for maneuvering around bigger rocks and other large obstacles. Water bars however launched me into air a few times. Bike weight was around 40-50 lb.
I started this topic not to brag about my personal record but to see how fast other folks riding and if equipment can withstand such speeds. My biggest concern was about front QR axle being sturdy enough
Part of the reason I asked is that I think whether or not equipment is strong enough at high speed really depends on the surface. Breaking a QR axle will most likely be due to impact (at speed) rather than just quickly rotating the thing to death. So if I was on pavement, 50mph would be scary, but I would probably worry more about my bike handling than equipment failure. But if I was hurtling down singletrack with the possibility of encountering a rock or root, even a tiny one, I would worry about almost every piece of my rig. 🙂
I don’t keep track often but back in the old, old days when I had one of the Cat-Eye computers on my GT LTS, I remember hitting 41 MPH on a fire road type section at El Morro in Laguna Beach. I’m probably gone faster since but don’t have a computer any more.