Joined: Jan 2010
Posts: 9,808
Likes: 1,781
From: Northern California
Bikes: Cheltenham-Pedersen racer, Boulder F/S Paris-Roubaix, Varsity racer, '52 Christophe, '62 Continental, '92 Merckx, '75 Limongi, '76 Presto, '72 Gitane SC, '71 Schwinn SS, etc.
I was lucky enough to have a cheap Shimano derailer on there when my chain got pushed into the spokes, and the derailer broke cleanly across the B-knuckle.
Of course it was the cheap derailer that caused the problem in the first place, when the cage pivot ejected from the A-knuckle on the last lap of a race.
The wheel was damaged but the frame survived. The race was a total loss.