Originally Posted by AlexCyclistRoch

So, I'm upgrading my Trek 710 to 8-sp cogs (actually 7 of them, because I got a really swinging deal on an 8-sp corncob cassette, as well as on an 8-sp bar-end set). I THOUGHT the chain I bought last year was an 8-sp, but I guess it was really a 7-sp, because the pins measured 7.3mm, compared to the new KMC chain's 7.1mm. Slapped it on, but it still gave me a bit of "chatter", as well as not giving me really good up-and-down shifting on most gears (bike used to be friction).

Now, this chain was cheap, and I originally bought it for another bike, so replacing it wouldn't be a big deal. I might even go up to a 9 or 10 sp chain. But first, I was wondering if any of you mechanics knew of another 8-sp specific chain that would have just slightly shorter pins, or would just work better with NOS uniglide cogs?