My first Dura-ace showed up on my Madone 6.9. I still use this same cassette and derailleur on my Bianchi Cavaria. While it’s no longer 100% perfect Shimano did an amazing job putting this group set together.
![](https://thebikecrank.com/wp-content/uploads/2021/07/Dura-ace-7800-derailleur-1024x768.jpg)
![](https://thebikecrank.com/wp-content/uploads/2021/07/Dura-ace-7800-cassette-1024x768.jpg)
Get Off My Trail
My first Dura-ace showed up on my Madone 6.9. I still use this same cassette and derailleur on my Bianchi Cavaria. While it’s no longer 100% perfect Shimano did an amazing job putting this group set together.