And yes, that year-old chain is stretched to hell and actively destroying my brand new cassette. Don't shame me for it - look how shiny it is!
this post was submitted on 18 May 2026
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Question, why would you change the cassette and not swap the chain too?
They both are the same age. I converted this from 10 to 11 speed a year ago. I guess I just consider a year old cassette "new" and a year old chain as old.
And what’s holding you back from replacing the elongated shiny chain for a new chain, thus saving the poor pizza-cassette? :D
Conflicting long- and short-term desires.
Can confirm, those two never really match together
I see
Honestly, if your chain isn't stretched, (use calipers to measure space in links,) you can get away with replacing just the cassette or individual gears. Just recently I overhauled my drive train. I only tend to ride using the smallest gear, (highest speed,) and just that one gear was worn down horribly after 3900 miles. I replaced just that gear in the cassette, and the chain, and retained the rest of the gears because they weren't really worn.
Yep, just OP said the old chain was stretched to hell, and I wondered why they'd keep that setup with a newer cassette.