David Bean wrote:
> Going thru my collection of old freewheels, I found an Ultra 6-speed that
> isn't too worn. I haven't used one of these before; should any chain made
> in the last 10 years or so be narrow enough to work with it? Is there
> something I should measure/check?
Should be fine. I've been using SRAM 8-speed chains on my Ultra-6 freewheels with good results. The one caveat is that these are somewhat narrower than vintage chains, and older front derailleurs seem to have a problem with this. E.g. my mid-70s vintage Cyclone front der needed to be narrowed somewhat (plier squeeze) to shift properly with the SRAM chain.
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John Thompson (john@os2.dhs.org)
Appleton WI USA