> How is Q a property of the crank? Wouldn't the bottom bracket that is > necessary to allow the crank to clear the chain stays determine the > Q? Or do some cranks only fit on certain narrower bottom brackets?
It is a function of both BB length and Crank design. Many modern curving crank designs fit further out on the BB than say, a TA Cyclotourist or the White Industries VBC. On Apr 29, 12:23 pm, happyriding <happyrid...@yahoo.com> wrote: > On Apr 22, 11:25 am, William <tapebu...@gmail.com> wrote: > > > Another thing to keep in mind if you have your eye on that crank. Pay > > very close attention to how the Q-factor of the crankset goes with the > > chainstay width of the frame you are setting up. > > How is Q a property of the crank? Wouldn't the bottom bracket that is > necessary to allow the crank to clear the chain stays determine the > Q? Or do some cranks only fit on certain narrower bottom brackets? > > Also, has anyone had a problem adjusting to the huge Q of a Rivendell > bike? That is something I hadn't really considered. > > > I don't know what > > bike you are building, but I will report that my 155mm Q-factor > > Ritchey (113mm spindle) barely fit on a Bombadil. There is no hope > > that a 130-something crankset would fit without a massively long > > spindle, which would change it into a 155mm Q-factor crankset and > > would foul up your chainline and front shifting. That 46/30 Gran Cru > > would be sweet on an old school Rando/Brevet bike (basically a road > > bike). No chance would that crankset work on a Bomba/Hunqa. Even a > > Hillborne/Hilsen would be questionable. Roadeo should work. > > Ok, thanks. Good to know. > > -- > You received this message because you are subscribed to the Google Groups > "RBW Owners Bunch" group. > To post to this group, send email to rbw-owners-bu...@googlegroups.com. > To unsubscribe from this group, send email to > rbw-owners-bunch+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/rbw-owners-bunch?hl=en. -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
