Not entirely sure where I should put this thread, hopefully a moderator can point it to the right direction.
The story is, went out yesterday off-road. I am setting up the bike for bikecamping; so I have a Giant Revel 1 29'er, and the Sunlite Gold Tec Rear Disc Rack. Encountered a ditch in the ground (looks like a pipe ditch). Approx 6 inches deep, and the same across. It was not a huge drop by any means.
Popped the front wheel over the ditch, and let the rear wheel go into it. I planned on force-pedaling the rear tire out; easy enough. Except, when I tried, the rear wheel wouldn't move.
Got off the bike, looked at wheel and rack. It seems that the extension poles on the rack completely bent through, huge stress marks on screw holes. This caused the rear-reflector / light mount to bend into the tire, and luckily, it did not puncture or pop the tire.
Had to bend back the extension poles so I could keep riding to the nearest bike stop, and when I got there, the right pole was completely sheared off. Luckily I carried some extra straps, and was able to strap it into place for the ride back home.
Oh yea.. the rack is about 3 weeks old. Yesterday was my first non-asphalt ride. It is rated for 55 lbs carry weight, and I had roughly 20lbs on it.
Talked to the guys at my LBS, and they're going to replace it and customize it a bit.
With this model, on a 29'er, the extension poles have to go all the way out to the last hole for clearance due to the reflector mount. They're going to cut the mount off, so it can be lowered to the 2nd or 3rd position. Also, I'm going to check with a buddy of mine that is a metallurgist / mechanic, to see if putting welds on the rest of the holes will add support or not. It seems that the holes are points of stress that can snap.
As a side note, you may also want to replace the original screws that came with it. It seems that the manufacturer defaults are pretty cheap (you can see this in the pics below).
SunFire Rear Rack - Oops! - a set on Flickr
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