![Aribike doubles up with round and oval chainrings for Shimano Dura Ace R9100 and Ultegra R8000 - Bikerumor Aribike doubles up with round and oval chainrings for Shimano Dura Ace R9100 and Ultegra R8000 - Bikerumor](https://bikerumor.com/wp-content/uploads/2017/12/ARI-Bike-Dura-Ace-r9100-ultegra-round-oval-chainrings-1.jpg)
Aribike doubles up with round and oval chainrings for Shimano Dura Ace R9100 and Ultegra R8000 - Bikerumor
ROTOR Bike Components - Now you can assemble your Shimano® Dura-Ace R9100 or Shimano® Ultegra R8000 cranks with the new ROTOR Q RINGS BCD110X4 and enjoy all the advantages of oval chainrings. #
![Ultegra 6800 chain ring on a Dura ace 9000 crankset. I wanted to save some money so I ordered ultegra 6800chain rings because you always read everything is interchangable between these systems. Ultegra 6800 chain ring on a Dura ace 9000 crankset. I wanted to save some money so I ordered ultegra 6800chain rings because you always read everything is interchangable between these systems.](https://preview.redd.it/f6ca57xdfex51.jpg?width=3000&format=pjpg&auto=webp&s=bb79354774b77c32ca5ca1e5fd3befd1fd97a458)