Sounds like me - the middle gears on my DuraAce cassette finally wore out after 20+ years so I pieced together a new one. It's a major pain on vintage bikes, de

Sounds like me - the middle gears on my DuraAce cassette finally wore out after 20+ years so I pieced together a new one. It's a major pain on vintage bikes, definitely want to change your chain before it wears and maybe get a higher quality chain. I also recently invested in a chain cleaner - loads of fun.