Interesting Jan. I thought you were wrong and the Riv used the normal OS downtube, so I measured my '99 JS Road Standard (the first generation Richard Sachs designed lugs). Sure enough, the TT and DT are both 28.6(ish)mm so all three main tubes are the same diameter. Huh...
Regards, Doug On Sun, Jul 19, 2009 at 8:35 AM, Jan Heine <[email protected]> wrote: > > >Also, if I'm reading the results correctly from the Standard vs > >superlight vs oversize tubing correctly, it sounds like the Roadeo > >will be a well-received bike. > > >Pretty sure the "superlight" used in that test is standard diameter (as is > >the "standard" ;^) The Roadeo will by light(er)weight but still > >oversized tubing. > > > Indeed, the "standard" and "superlight" bikes in our double-blind > test were "standard-diameter tubing," while the "oversize" was > superlight oversize tubing (0.7-0.4-0.7 mm wall). All three bikes > were excellent performers _for the testers_, and better than most > steel bikes available today. The "oversize" frame uses similar tubing > as the smaller sizes of the Roadeo. > > >I don't think GP has done any standard diameter tubing designs since > >RBW began... > > Rivendell's first frames were a mix - the first two lugsets used OS > top tubes and standard-diameter down tubes. > > In the interview in Bicycle Quarterly (Vol. 3, No. 4), Grant P. had > interesting things to day about the move to oversize tubing. After he > agreed that more flex could be better - he quoted a Bridgestone > engineer who talked about the ease of jumping from a sprung ballet > studio floor vs. a concrete floor - he said: > > "Aluminum frames need [oversize tubing], because [aluminum] is three > times flexier than steel is, and when aluminum flexes, it fatigues. > Titanium is twice as flexy as steel... Then, as those materials get > more popular, people don't see the reasons for the size, but they > associate the size with modern fashion, and the media talks wrong > about flex and energy. Then the steel tube makers are doing it, too, > just to survive..." > > At the time, I was hoping that eventually, Rivendell would make a > lightweight, standard-diameter frame. > > Jan Heine > Editor > Bicycle Quarterly > 140 Lakeside Ave #C > Seattle WA 98122 > http://www.vintagebicyclepress.com --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en -~----------~----~----~----~------~----~------~--~---
