Originally Posted by
BlazingPedals
Cool... I've only got a 54T ring on my new highracer. Pushing a 60 would give me an extra gear at the high end.

That was my first reaction to "pushing 60," as well.

I do have a 6-bolt 58T chainring for anyone who wants it -- you need old school steel cottered cranks and the three-piece Simplex 3-to-6-bolt adaptor. I replaced the original 58-45 / 14-22 gearing with a more reasonable 49-46 / 14-26.
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"Far and away the best prize that life offers is the chance to work hard at work worth doing." --Theodore Roosevelt
Capo: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger (2), S/N 42624, 42597
Carlton: 1962 Franco Suisse, S/N K7911
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1982 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069