Fabian’s Paris-Roubaix Dura-Ace custom derailleur

The whole area is mechanically beautiful. Must be nice to get that kind of attention. Gonna guess it kept the chain from bouncing around like crazy and kept shifting super smooth and precise.

 

fabianda

 

Just a guess.

Advertisements

4 thoughts on “Fabian’s Paris-Roubaix Dura-Ace custom derailleur

  1. Actually the main goal, I believe, is to increase drivetrain efficiency. Higher diameter pulleys mean the chain has to flex less and the pulley can rotate more slowly. Thus you gain a few Watts.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s