Shimano Dura-Ace Rear Derailleur 7800 | Shimano Dura-Ace Rear Derailleur 7800 4 out of 5 based on 1 user reviews.
 Cred: 1700 | | It's a really nice derailleur. Mine works in conjunction with a 10 speed 105 cassette and an Ultegra front derailleur. I've had no problems so far. It's a great performance part and is simple in it's design. |
| Ultegra SL, Ultegra, 105... are cheaper Shimano alternatives which probably work the same but are heavier. That's usually how it works. |
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