• You guys!

    OP: you've got an '88-'91Athena derailleur and the missing piece adjusted it's maximum capacity:

    It was notorious for going AWOL and being as you're also missing the cable adjuster, you'd be better off looking for another *complete *one.

    If it's not for a period correct restoration, I've got a '95-'96 Athena RD you can have for £25.

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