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Derby rim failure.
Derby rim cracked
NB: Originally posted elsewhere on the Global Riders Network and appears via syndication.
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Fun times. This after just 18km on these 26" AM wheels, and I only weigh 64kg.
The video.
http://www.mrmez.com/MTB/Derby.mp4
Jump at ~1min.
How did it happen?
Top section of Scorpion on the Kalamunda Circuit. If you can call them jumps, landed one a bit nose heavy, and when the rear came down there was a mighty crack.