Interesting what I'm finding.... a comparison of three frames: Nashbar's touring, road, and my own Schwinn hybrid. (All measurements in cm)

. . . . . . . . . . . . .. Touring - Road - Hybrid
Framesize . . . . . . 56 . . . .. 56 . . . .56
top tube length . .. 56.0 . . . 56.5 . . 56.0
wheelbase . . . . . . 104.5 . . n/a . .. 107
head tupe length .. 13.5 . .. 16.0 . . 21.0
chainstay length . . 45.5 . .. 41.0 . . 46.0
weight . . . . . . . . . 4lbs . . . 4.2lbs . >10lbs

I don't know what my whole bike weighs, but it's closer to 20 lbs than it is 5. Thoughts? Comments?