Quote from FlyingLaZBoy on Apr 27th, 2009, 1:34pm:You may be creating a self-misconception about SWB vs. LWB... There is no "distance limitation" as such, related to short- vs. long wheelbase.
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What you gain with a SWB other than possibly slightly less bike weight is a) easier transportability, b) a bit better maneuverability in tight spots, and c) slightly improved aerodynamic profile.
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couple more issues:
Bottom bracket height - in general, the further you lay back and the higher the bottom bracket, the more power you can transfer to the cranks, thus more speed, etc. SWB bikes tend to have higher BBs than LWBs. Higher BBs tend to be less easy to learn and maneuver in tight situations though.
Seat design and fitting can play a huge part in determining how the above issues play out and show the need for road testing. Mounting a Euromesh seat on a Bacchetta Agio (instead of the std Recurve seat) and laying it way back resulted in an easy 5mph speed increase for me, party due to better aerodynamics and partly due to better power transfer. It also resulted in far greater distances being easily achieved. The Recurve seat is more useful and comfortable to me for local shopping within a 5 mile radius though.
I suspect that how a given bike is rigged might possibly produce greater variation than the difference between a SWB and LWB that are rigged fairly similarly.