Chain popping out of 11 tooth cog
I switch it a 11/25 cassette, problem is the chain wants to pop out, not continually, but maybe every 100+ feet or so. It's a 7900 cassette, 7800 RD, 7800 shifters, 7800 chain. Chain is still between .5 - .75 on the gauge, but does have a quick link. Any thoughts?
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