Micheal said, "I have a Campy Centaur square taper with the 110 BB
with a 39t ring on the
outside that works for me. I have a Phil rear hub with the Dos Eno
16/19 on
one side, and a 18t cog fixed on the other side. My 52 year old knees
are
sensitive sensitive to Q, and this works just fine."
Mich
You can measure Q or tread by aligning each crankarm sequentially with
the down tube and measuring carefully from outside of the arm to the
edge of the down tube. Add the measurements and then add the width of
the down tube to get total Q. (Or, just stick a good stiff ruler
between the spokes of th