I was enjoying a beautiful climb on my backup road bike about 20 miles from home on a secluded small two lane mountain road and I heard a “ping”. I thought it was nothing; one of the small twigs I just ran over must have hit one of my spokes. Ya, that’s it, what more could it be?
About, 50’ later there was a loud “bang/crunch” as my rear wheel instantly locked. I was just able to unclip and catch myself on the steep climb before I fell over.
I don’t know the exact mechanical system failure sequence, all I know is that the “ping” was a spoke breaking and then the spoke decided it would be fun to reach out and grab its drive train buddies and have them join it for a party in my wheel. My derailleur hanger snapped in half allowing my derailleur and chain to join my broken spoke inside my wheel. The party ended a split second later as my wheel taco’d and locked up.
Derailleur Hanger toast
Derailleur unfixable, including even the pulleys damaged beyond repair
Spokes broken and bent
Ya know, ya gotta love cell phones. Brother in law was there in about 20 minutes. Even better, he had an identical, old well scratched up Ultegra 6500 short Cage derailleur buried in his garage he let me have! Perfect for my back up bike.
The wheel is being rebuilt. I picked up a new hanger and threw on an old wheel with the “new” derailleur and she is working great.
After I pulled the chain out of my wheel while waiting for my ride.