On Mon, 2009-09-21 at 07:25 -0600, PATRICK MOORE wrote: > > > On Mon, Sep 21, 2009 at 2:22 AM, Jim Thill - Hiawatha Cyclery > <[email protected]> wrote: > > Wouldn't be my first choice with an Atlantis. As Patrick said, > you can > probably make it work with a really long BB, but then the > chainline > will likely not be optimal, and whatever narrow Q-factor you > may have > hoped for would be thrown out the window. > > > Why would chainline and Q be affected?
You need that long spindle in order to get the arms far enough out to not hit the chainstays. That increases tread. Since the TA Pro V Bis arms do not splay out as do the cranks for which the Atlantis was designbed, the long spindle moves chain rings far out which then affects chain line. > The only downside I see is the need for a hard to get spindle, but, > get that spindle and the rings ought to be where they need to be, If they are where they need to be with a normal length spindle, how could increasing the spindle length not move the rings farther outboard than they need to be? > and the Q ought to be fine since Q is determined far more by arm > angle than by spindle length. In this case, Q factor is dsetermined by the need to not hit the splayed-out Atlantis chain stays. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
