The Travel Agent can perform a couple of different tasks; adjusting cable pull or serving as a roller to work around tight frame geometries. For cable pull changes, the Travel Agent makes a short cable pull lever work with a long cable pull caliper. This allows you to mix road, mountain and 'cross brakes and brake levers. Instead of buying new levers or brakes, just install a Travel Agent and you're good to go! To use Problem Solvers Travel Agent as a friction reducing roller simply route the cable on the outer edge of the wheel and it is smooth sailing for your brakes around tight bends.