Both of you own an Atlantis? Sheesh, Life is Good! On Feb 26, 9:56 am, doug peterson <dougpn...@cox.net> wrote: > Since this is a "non-scientific tire test" I'll throw in some data to > confuse the issue further. My wife is a small, light person who's > ridden for a long time on an aluminum Trek with 700c wheels & Paselas > marked 28 mm, measure 26 mm at 80 psi. On her 26" wheeled Atlantis, I > installed some 1.25" wide Panaracer Urban Max (even the name sounds > heavy!) and inflate to around 60 psi. Both bikes weigh the same +/- a > water bottle. > > Her downhill style is sitting bolt upright and coasting, so which bike > "should" roll faster in this real world roll down test? We ride a lot > of local bike paths that have underpasses where my considerable > greater mass gets me going a lot faster. She nearly keeps up on the > 26" wheeled Atlantis, while drifting painfully behind on the 700 > wheeled bike. Bigger wheels roll faster? Maybe not the entire > answer? While it provides hours of amusement to speculate, I'm happy > she loves her Atlantis and the Trek is now a "guest bike".. > > dougP > > On Feb 26, 7:54 am, Patrick in VT <swing4...@gmail.com> wrote: > > > > > On Feb 25, 2:56 pm, William <tapebu...@gmail.com> wrote: > > > > > > A lot of comfort is bike fit, though, and the 700x28 wheels won't change > > > any of my fit points on the bike, so maybe I'll feel just as good. > > > Who knows? > > > Depends on the roads, no? most of the long rides I do happen to > > include a lot of dirt - I really like 650b for these rides because it > > is definitely more comfortable when the pavement ends. > > > for road rides, my 700c bike with 25s is just plain faster. every now > > and then, i'll take my 650b rig (which is actually a sporty bike - > > columbus spirit-for-lugs tubes/pari-motos/white industries H2s laced > > to aerohead rims) out with some fast friends (who i can normally put > > the hurt on) and it's a struggle just to keep up. the pari-motos at > > 50psi just don't accelerate like a narrower tire at higher pressure - > > and it's very noticeable when you need to get back up to 25mph in a > > hurry. this is what "fast" means to me. > > > just cruising along, I don't really notice a difference - i'm as fast > > as my legs and lungs are strong on any given day. but the bike/wheel > > choice becomes pretty clear given the type of ride i'm about to do: > > rough-stuff mixed terrain or long brevet - 650b!! spirited road ride > > - 700c!!- Hide quoted text - > > - Show quoted text -
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