aka Tom Reingold
Join Date: Jan 2009
Location: New York, NY, and High Falls, NY, USA
Posts: 40,503
Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem
Mentioned: 511 Post(s)
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Originally Posted by
Trakhak
You might try drilling the large chainring and tapping the drilled holes for button-head bolts. I'd drill the holes where chain guides are installed on modern rings. You could experiment with different thicknesses of spacers under the button heads. Some combination of button head thickness and spacer thickness might allow smooth shifts without chain drop. Or you might not need spacers at all.
If it doesn't work out, no harm done. The drilled chainring would still be usable.
I like this. Thanks.