Originally Posted by
Aardwolf
Could you explain that please ?
I'm on 22" (56cm) and was thinking about trying 58cm, but when a 60s Cyclone came along on Ebay it was 56cm.
I've got a vague memory I used to ride a larger frame 40 years back (now 65) the receipt from 40 years back looks like 25" but is almost certainly 23".
An advantage to a larger frame can be a taller head tube so you can set the bar higher without a ton of spacers. This is provided the steer tube hasn't been cut too short on a threadless system.
If you're looking at bikes with a quill stem you can get a tall stem as pictured in my earlier post. Regardless, the geometry of the frame may be quite different from one bike to the next. Just because it's called a "56" or whatever size doesn't mean it will fit like other 56s.
Here is my Seven. It has an uncut steer tube (threadless) with short reach shallow drop bars and a 90mm stem. The (virtual) seat tube measures 65cm but the top tube is only 57. It's custom geometry. By contrast I had a 63cm Cannondale CAAD5 and the top tube was 60cm.
