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Colnago sizes - 57 or 58?(2 posts)

Colnago sizes - 57 or 58?collinsc
May 26, 2003 9:17 PM
Looking at the Colnago geometry table, considering the CT1. Test rode a 57 this weekend, but wasnt paying too much attention to the minutia of the frame fit as I was fairly infatuated with the silk ride.

My current ride has 73 degree angles, seat and head, and a 15cm HT with no spacer stack. I run the saddle top just under 74 cm from the BB center. A 56.5 effective top tube and a 110 cm stem finish off the relevant measurements.

Both the 57 and 58 Colnagos have 73 degree seat tubes so that is cool. The 57 has a 71.8 degree, 15.1 cm HT and the 58 a 72.2 deg, 15.9 HT. The top tubes are 55.6 and 56.3 respectively.

I am guessing that the 57 is the right choice and the 58 may be too tall, anyone know the standovers on these? Also, whats a better idea, the 57 with a 120cm stem or the 58 with 110?
re: Colnago sizes - 57 or 58?rogue_CT1
May 26, 2003 10:06 PM
Yeah, based upon your measurements of your old bike I'd go with the 57, that is if the old bike fit right.

On another note, you're going to love the CT-1. It is an absolutely awesome bike. The ride is incredibly smooth but the bike is somehow stiff when you stand out of the saddle.