Free Podium Mesh Base Layer With Louis Garneau Mondo Primo Jersey or Bibs »

Gear Question

Is the Dura Ace CS 7900 or the Ultegra...

Is the Dura Ace CS 7900 or the Ultegra 6700 compatible with an 4 year old durace derrailer? No identifying marks on current derrailer, except the Dura Ace stamp.

Responded on

You should be fine there, as long as it is 10 speed.

Responded on

It is compatible if the derailleur is from before 2004 because before then Shimano was only making 9 speed.