How to Choose Bicycle Derailleur
Friday, March 11th, 2011 at
4:22 am
It's important to match your bike with the proper bike pedals for maximum performance. Learn how to choose the bicycle pedals for you in this free video clip.
US $21.50
Not very enlightening, but there is some useful general information about what makes professional derailleurs more expensive and efficient than others.
Pointless – tells you nothing.
Just a note: Your description on this video doesnt match.