View Full Version : who makes the biopace style cranks that fit 9 speed


oldbikes
07-09-2005, 12:07 AM
setups? I read somewhere that they are being used again, I read they are good if you are not spinning your cranks fast.

Akirasho
07-09-2005, 02:22 AM
... cranks or chainrings?

These are the one Bobby Julich uses...

http://www.osymetric.com/
http://www.cyclingnews.com/photos/2005/tour05/tech/?id=julich_csc_carbon/IMG_0324

... then there are these cranks...

http://rotorcranksusa.com/

I have no experience with either... but they both seem to have their proponents.

TurboTurtle
07-09-2005, 09:23 AM
... cranks or chainrings?

These are the one Bobby Julich uses...

http://www.osymetric.com/
http://www.cyclingnews.com/photos/2005/tour05/tech/?id=julich_csc_carbon/IMG_0324

... then there are these cranks...

http://rotorcranksusa.com/

I have no experience with either... but they both seem to have their proponents.
The new ones, as used by Julich, are not the same as BioPace. The 'flat spot' is in a different position relative to the crank arm. - TF

MikeBiker
07-09-2005, 10:42 AM
The new ones, as used by Julich, are not the same as BioPace. The 'flat spot' is in a different position relative to the crank arm. - TF
They are kind of the anti-Biopace.