Originally Posted by cyccommute

It might. I've never had much luck with Travel Agents. I found it easier to either use the proper lever or the proper brake. If the bike has long pull levers, I'd use linear or mountain disc. If the bike has short pull, I'd use cantilevers or road disc. I don't have any road bikes with discs, however.

The other question is where you would put the travel agent on a disc brake. The 90° turn is going to make for a funky cabling on the caliper. A straight version for a disc would work much better.