Swapping for smaller chainring is a good idea if your not riding in
the peloton. But you'll need some with a 135 mm BCD (bolt circle
diameter). I often come across 8 or 9 speed parts in good condition
and at low prices in the classifieds so it might be worth having a
look. Enjoy your build!

On 10 Feb, 05:00, Bruce <fullylug...@yahoo.com> wrote:
> Thanks to another list member, an early Waterford era Rivendell frame (with 
> two forks!) is inbound. It's a 55 +/- in size and while I rode a 57 cm Trek 
> Pro 560 for a couple thousand miles a few years ago, 55 is just a bit too 
> tall for me in 700 guise. So, I'm approaching this as a 650B conversion.  I 
> picked up a Campy Veloce 130 mm BC road triple (square taper BB). The stock 
> rings are 52/42/30, which may do just fine. The 42 may go to 40 though. It's 
> very lightweight and pleaseing to the eye. Anyway, I'm soliciting derailler 
> ideas. What bottom pulling front triple shifters are out there these days? 
> RBW seems to have gone awy from the Shimano 105 that came on my Ram. I expect 
> that I'll run 7,8, or 9 cogs, depending on what I find in the way of a 
> wheelset. I have randoneur bars and Tiagra brake grips on the shelf, and am 
> thinking this bike will be set up road standard-ish. Ideas (as well as offers 
> to get your garage shelf items moved to mine) are welcome.
>
> TIA
>
> Bruce
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