• 10 miles each way. Not quite all roses though, I managed to chew the chain up a couple of times on the way home and broke the side plates on about 3 links.

    I’m going to post this in the Mechanics and Fixing AMA thread too. I’m wondering if it’s because I’ve got the wrong type of chain. It looks like it’s a KMC Z7 or Z8. I think the flared side plates are making it get caught up on the teeth on the freewheel. Freewheel doesn’t look excessively worn to me but I dunno.

  • Can't you just get an old chain off eBay? There's generally some in there in good condition and they should have the specifics your freewheel might require if they are from a similar period.

  • I expect so. At this point I just need a cheap, plain 3/32” chain. I took some measurements last night to confirm it definitely doesn’t need a 1/8” chain. I think a cheap eBay 3/32” SS special is next on the list to check my findings. I’m pretty certain it’s because the chain I used is a KMC 8.3 (despite asking for a basic 5-speed chain at my LBS) which is too flexible, too gappy and too ramped for the teeth on an early 4-speed.

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