Apparently disc brakes will be introduced in professional road racing in 2017. This information came from a source involved in discussions between the UCI, cycle sport's world governing body, and the bike industry regarding race equipment.
This is not the only rule the UCI is discussing, it is currently reviewing many of the rules regarding race equipment in consultation with committees from the World Federation of the Sporting Good industry (WFSGI). The other rules include the possibility of amending the 6.8kg minimum bike weight rule and the 3:1 rule that applies to the frame, fork, handlebar, stem and seatpost.
Yves Mori, the WFSGI’s Communication and Bicycle Manager, said, “We have had a lot of meetings with the UCI over the past year and many conference calls within the industry, and we have provided the technical requirements documentation to the UCI addressing all technical issues. They brought forward requests regarding the heat of a road disc brake, for example, which may be an issue. We have answered all of these questions from the UCI."
The reasoning behind delaying the ruling until 2017 is understandable. The UCI aims for a le el playing field for all manufacturers so they have as much time as possible for the introduction of disc brakes. Not only do companies need to make disc brakes, but other companies need to start making the road bikes disc brake compatible.
According to the source, we can expect an official announcement from the UCI regarding the change in rules regarding disc brakes some time this month.