Looks like the big boys are looking at belt drives.... http://www.cyclingnews.com/tech.php?id=/photos/2008/tech/news/10-03/gallery-10-03
On Sep 29, 1:58 pm, "littlecircles :: mike beganyi" <[EMAIL PROTECTED]> wrote: > $650 (cranks) + $114 (levers) + $55 BB + custom frame with correct tab > alignment + SRAM or Nexus or Alfine wheel.... > > I'd just get a Rolhoff and keep a tight Q on the front. > > -Mike > > On Sep 29, 12:22 pm, John Riedeman <[EMAIL PROTECTED]> wrote: > > > > > Ok, have any of you seen this design? > > >http://www.cyclingnews.com/tech.php?id=tech/2008/features/truvativ_ha... > > > Picture this with an internal hub on the back of a touring bike? There > > wouldn't be a need for deraileurs and therefore no chain tensioning. > > (you'd need horizontal drop outs of course). heck would you even need > > a chain, can you go with that belt design that I've seen out there? No > > more cleaning and lubing a chain!!! No worry about snow / ice, road > > grim, etc? Am I dreaming or is this a real possibility? Or do you > > already have enough ratios with a Rolhoff? What about with a Nexus or > > Alfine internal hub? Does it get you closer to the rolhoff for less > > dollars? > > > I have yet to sit down and put the numbers into excel and figure out > > the ratios, but it the front is a 22 and you get a 1 - 1.6 that gives > > you an effective 35 front. Go a little larger like start with a 30 and > > you have a 48 / 30. Now I've got to see what the effective ratios are > > for internal hubs (rolhoff and alfine?) There may be too far of a > > spread. If those gears are quite close (ie. 15, 16, 17, 18 rear > > cassette one tooth spacing) then this starts to make sense. If the > > ratios are large then it doesn't because you don't get anywhere. > > > What else am I missing?- Hide quoted text - > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Bicycle Lifestyle" 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/bicyclelifestyle?hl=en -~----------~----~----~----~------~----~------~--~---
