I'm new to this forum, a "Clydesdale" at 6 foot, 250 lbs. I kept breaking rear spokes on my Trek 7300 after 1000-1200 miles (I went thru 3 wheels), so I bought an Aerospoke rear wheel. As a design engineer, I can say it's a thing of aesthetic and engineering beauty, but I've had a few problems. I get a loud "click" or even a "crack" from the hub when I load it heavily from a full stop, and sometimes when "uphilling" after a coast. The Aerospoke people were real good about trying to find the problem (I drove out to their shop with the bike and wheel). They can only deduce that occasionally the pawls "skip" when first loaded. They tried new hubs/freewheel bodies, pawls, etc., nothing worked. It's a very heavy-duty 4-pawl set-up, so I'm going to live with it (which is kind of tough considering I paid $350 for it), but no more broken spokes!!! Has anyone else out ther had a similar experience with Aerospokes????