Originally Posted by bigbossman
...That would give the new rider better gearing - a smaller granny and a smaller top ring - that SR has 52 teeth on the outside, and 36 on the inside. Heck, the middle/small is practically a "modern" compact!!
Originality and/or "period correct" is not an issue - it needs to be functional and reliable.
Anyone got one they can part with?
I have the Sugino double pictured which I bought cheap on ebay and haven't used. It is NOS in it's box and never mounted. The outer ring (52 tooth) is not replaceable, but the inner rings (42 & 38 tooth) is 110 bcd and easy to find in many sizes. PM me if this is of interest. I can also take a look at the dump. Currently low end Fuji and Nishiki lean against the side of the shed. They have cheapo double cranksets. I'm not certain what brand.