I replaced the chainrings, chain and cassette on my Nickel last week. During the second ride on the new drive train both the rear derailleur hanger bolts snapped. I replaced the bolts and 3 rides later the hanger snaps in half. The rear derailleur was destroyed when the hanger broke because it when into the spokes. Spokes look fine. While I have bent a few derailleur hangers over the years this is the first time I have had a derailleur hanger or derailleur hanger bolts snap in 23 years of trail riding.
I did cut the chain slightly shorter than the old chain. I normally cut the chain used big/big plus 2 links but noticed that several of my riding buddies are doing big/big plus 1 link without issue so that is what I did this time.
Could it be that the chain is too short or is something else going on?
I've always run a long rear der and they get destroyed by rocks here in phoenix so I'm but I'm wondering if should I go with a medium derailleur this time? I'm runnin' 32/24 up front and 11-36 out back.
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