IIRC, Bike Quarterly suggested that there is a sweet spot for wheel diameter/circumference. Basically 622X28mm (686 diameter), 584X42mm (676 diameter), 559X55mm (677 diameter) all were pretty close to it. So the fatter the tire, the smaller the wheel.
Cheers, David "it isn't a contest. Just enjoy the ride." - Seth Vidal On Thu, Feb 27, 2014 at 12:52 PM, Hugh Smitham <hughsmit...@gmail.com>wrote: > Doug, > > What about the 700c wheel efficiency Vs. the 26"wheel once they're > rolling? It's been my understanding one of the reasons many tour bikes are > using 26" size wheels is they are easier to get a heavy mass rolling? Seems > like that would be true. So as I see it there's always a compromise in > choosing a wheel size. The 26" for carrying a load and it's maneuverability > off road are positive attributes and since your hauling stuff one would > inherently understand you won't be as quick as a race bike. Yet another > reason folks are always favoring multiple steeds and the N+1 factor as well. > > ~Hugh > > "Life is like riding a bicycle. To keep your balance, you must keep > moving." -- Albert Einstein > > http://velocipedemusings.blogspot.com/ > > > > > On Thu, Feb 27, 2014 at 10:36 AM, dougP <dougpn...@cox.net> wrote: > >> "I've read numerous accounts that suggest 700c wheels rollover things >> better than 26" wheels..." >> >> True but in reality not a huge difference. A BQ article on tires >> contained a graphic comparing the angle of a 700 wheel vs a 26" against a >> block maybe 4" tall (?). The difference in the angle was surprisingly >> small & personally I doubt I'd notice the difference. >> >> Hugh, I look forward to comparing my 700 wheeled Atlantis to your 26". >> >> dougP >> >> >> On Wednesday, February 26, 2014 4:11:09 PM UTC-8, Chris Lampe 2 wrote: >>> >>> Keep in mind that I'm not a mountain biker and other than riding gravel >>> roads way back when, all my riding is on pavement. >>> >>> I can't say how much is the fat tires themselves. The difference >>> between my 40mm and my 55mm tires is far larger than the numbers would >>> suggest. I think it's that old volume thing....with the 55mm tires having >>> a lot more. The closest I've come to riding a 700c fatter tire was a short >>> test ride on a Surly Karate Monkey and it lacked something that both my old >>> 820 and the new Troll I test rode have. >>> >>> I tend to ride like a little kid, meaning I don't ride from point A to >>> point B. My favorite place to ride (when it's not packed with pedestrians) >>> is the walking path in our subdivision. This is a typical sidewalk on >>> gently rolling terrain and I don't think there is a true straight stretch >>> of sidewalk that is longer than a few yards. Tons of curves with some >>> twists and turns while speeding up and slowing down, according to the path. >>> My experience is that the 26" wheels accelerate faster and are far more >>> maneuverable than 700c wheels. The entry I use to the walkway is a gutter >>> that is at a 90 degree angle to the sidewalk with curb on either side so >>> there is no room for error when making that turn. It's a bit scary on 700c >>> x 40mm tires but a breeze on 559 x 55mm tires. I think it boils down to a >>> ride that is very nimble and quick while still being very smooth and cushy. >>> >>> I've read numerous accounts that suggest 700c wheels rollover things >>> better than 26" wheels and that 700c wheels maintain their momentum better >>> and the latter, at least, seems to be true in my experience (I never roll >>> over things so no experience with the first). Riding my 700c bike is fun >>> but almost bordering on boring. Riding a 26" bike is both exhilarating and >>> it literally makes me feel like a little kid again. For me, a long ride is >>> 10 miles so the 26" wheels are a no-brainer. If I was more into traveling >>> and riding longer distances, I'd have to do some soul-searching before >>> making a firm commitment to one or the other. >>> >>> >>> >>> On Wednesday, February 26, 2014 4:34:41 PM UTC-6, hsmitham wrote: >>>> >>>> Chris, >>>> >>>> I too have been lusting after fat tire Atlantis...I don't see that >>>> many. Here's one I like a lot. >>>> >>>> http://www.flickr.com/photos/37542512@N04/4815790104/in/ >>>> pool-rivendellatlantis/ >>>> >>>> and another >>>> >>>> http://www.flickr.com/photos/fireman483/8541167230/in/pool- >>>> rivendellatlantis >>>> >>>> But I am curious Chris what is it about the 26" wheel size that has you >>>> so smitten. It's especially interesting when there is so much talk of 29ers >>>> and 650b tires. Please elucidate. >>>> >>>> ~Hugh >>>> >>>> "Life is like riding a bicycle. To keep your balance, you must keep >>>> moving." -- Albert Einstein >>>> >>>> http://velocipedemusings.blogspot.com/ >>>> >>>> >>>> >>>> >>>> On Wed, Feb 26, 2014 at 12:38 PM, Chris Lampe 2 <clamp...@yahoo.com>wrote: >>>> >>>>> For the longest time, a photo of an Atlantis on Peter White's website >>>>> that is described as being outfitted with his best parts was my favorite >>>>> Atlantis photo. Now it's this one. I've become hooked on the 26" >>>>> wheel/fat-tire combo. Nothing else looks or feels as good to me now and >>>>> the Atlantis, with it's traditional diamond frame, just looks TOUGH with >>>>> fat knobbies. I haven't had the pleasure of riding one yet. >>>>> >>>>> >>>>> >>>>> On Tuesday, January 21, 2014 7:11:56 AM UTC-6, Tony DeFilippo wrote: >>>>> >>>>>> Yet another snow day in the DC area... I think the schools will be in >>>>>> session till July 4th at this rate! Supposedly we're in for our biggest >>>>>> snowfall since 2011 but I'll believe it when I see it. I don't have true >>>>>> snow tires, but I did pick up some sweet used 29x2.1 Kenda Small Block >>>>>> Eight tires at the co-op recently and had been hoping to try them out on >>>>>> my >>>>>> Atlantis. 700Cx54mm tires! I need to measure the actuals on my 23mm >>>>>> Dyad >>>>>> rims but they fit just fine once the fenders came off. I also finally >>>>>> got >>>>>> around to moutning my front Nitto rack/basket/light setup. Peter White >>>>>> can >>>>>> rest assured that I've maintained the centerline, above tire location of >>>>>> the light but he'll be upset that I don't have fender coverage for the >>>>>> beastie... I'll keep an eye on it and possibly add some kind of splash >>>>>> protection. It's a sweet light, and I can see based on the light pattern >>>>>> why keeping it center and over tire is desireable. Stand over w/ the >>>>>> monster tires is not improved for me... predictably, but it is fun. I'm >>>>>> going to take it for a spin this morning before the snow comes in then >>>>>> we'll see about later! More pix on the blog - >>>>>> http://dr2dc.blogspot.com/2014/01/monster-snow-cross-atlantis.html >>>>>> >>>>>> Tony >>>>>> >>>>>> >>>>>> <https://lh6.googleusercontent.com/-7RiNKo6Y7qQ/Ut5sIUqO9SI/AAAAAAAADGQ/RuEQK8JVgD8/s1600/RAD_1040.jpg><https://lh6.googleusercontent.com/-G_p7K346CpU/Ut5sIcpa1PI/AAAAAAAADGk/7zjswNk1ajo/s1600/RAD_1042.jpg> >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>> You received this message because you are subscribed to a topic in the >>>>> Google Groups "RBW Owners Bunch" group. >>>>> To unsubscribe from this topic, visit https://groups.google.com/d/ >>>>> topic/rbw-owners-bunch/e_cri0xuazQ/unsubscribe. >>>>> To unsubscribe from this group and all its topics, send an email to >>>>> rbw-owners-bun...@googlegroups.com. >>>>> To post to this group, send email to rbw-owne...@googlegroups.com. >>>>> Visit this group at http://groups.google.com/group/rbw-owners-bunch. >>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>> >>>> >>>> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "RBW Owners Bunch" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/rbw-owners-bunch/e_cri0xuazQ/unsubscribe >> . >> To unsubscribe from this group and all its topics, send an email to >> rbw-owners-bunch+unsubscr...@googlegroups.com. >> >> To post to this group, send email to rbw-owners-bunch@googlegroups.com. >> Visit this group at http://groups.google.com/group/rbw-owners-bunch. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- > You received this message because you are subscribed to the Google Groups > "RBW Owners Bunch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rbw-owners-bunch+unsubscr...@googlegroups.com. > To post to this group, send email to rbw-owners-bunch@googlegroups.com. > Visit this group at http://groups.google.com/group/rbw-owners-bunch. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. 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