Tune Road Disc Brake Covers

Does this mean riders will start using disc brakes in the ProTour? 

Tune has stuck with a 160mm rotor size for the front and rear, these are 3D printed prototypes - but the final version will be in the Tune slick and sexy full carbon. Just like a shim, they will mount on the discs Flatmount which gives it a bit of lateral adjustment to accommodate different branded rotors runout.

Front and rear specific and based on the 160mm rotor size. They will be ready for production September with final weights announced then.

In the meantime, you get add some Tune to your life.