Originally Posted by
jonwvara
Triplizer rings used to be pretty common. But you (that is, I) never see them anymore. Does anyone still make them? If not, why not?
http://www.peterwhitecycles.com/chainrings.asp (scroll about 7/8 the way down)
http://www.interlocracing.com/triplizer.html
They have probably fallen out of favor with the rise of "compact road" gearing and/or two-piece cranks which prevent any adjustment of bottom bracket width to accommodate the third chainring.
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