Originally Posted by
pacificaslim
Hmm. Interesting conjecture, but the B17n is listed as having the exact same width as the swift and swallow and the pro is only 8mm wider. Can you explain how you feel width at the rear has an impact on cadence or the seat angle? Thanks.
Sorry for the delay, I was gone for a few days.
The B17n is at least 165mm wide at it's widest while the Swift is 155mm and the Swallow is 153. So I'm not sure where you got your info from but it wasn't correct. The Pro may be between the B17 and the Swift in size.