>>1050621>But applying a lot of torque immediately results in a stiff link and a chain "jump", no matter crank rotation, chain position or gear.That description doesn't fit that of a stiff link very well.
Please, describe without any use of jargon what exactly happens. In five year old terms.
If it's just a skip then you likely have a worn cassette. The fact that you got the advise to switch the chainset/chain rings indicates that you have previously described or the problem has been interpreted as chain suck. That's something else. Pic related and please google it.
I believe that was an error on his or your part. Confirm, please.
