You are reading a single comment by @Heldring and its replies.
Click here to read the full conversation.
-
•
Gaston
Heldring-
Larger jockey wheel, marginal gain and all that.
-
What's with the derailleur?
http://www.ceramicspeed.com/sport/products/OSPW
Upgrades Dura Ace to the same quality as RD-M310 :-)
edscoble
gbj_tester