The SunTour freewheel page now covers Winner Pro, Winner and Alpha models in addition to Perfect, Pro Compe and New Winner.

What's new at sheldonbrown.com
The SunTour freewheel page now covers Winner Pro, Winner and Alpha models in addition to Perfect, Pro Compe and New Winner.
We have a much expanded description of how to rebuild a freewheel, now a new article and no longer just a paragraph in our main article on freewheels.
There’s a new section in our freewheels page showing how freewheels work and what is inside.
All of our pages about fixed-gear and singlespeed bicycles have been updated. Information about derailerless drivetrains including workarounds for frames with vertical dropouts has been consolidated in a single article and expanded. Table of contents for these articles.
New page on SunTour Perfect, Pro-Compe and New Winner freewheels. These are no longer made, but there are a lot of them around and they offer many options including the ability to work with older frames that have smaller overlocknut distance than current frames. We have information on choosing, maintaining and customizing these freewheels.
Several additions to the Sun Tour article, especially about freewheels.