Cable Doubler Chainring Problem Solvers is here to

Problem Solvers is here to help

These adapters clamp on to the seat tube so you can use your braze-on derailleur on a conventional frame

just install a Travel Agent and you’re good to go

adjusting cable pull or serving as a roller to work around tight frame geometries

Lever Grippies Instructions

Cable Doubler Chainring Problem Solvers is here toWe make two Cable Doublers. The first allows you to control two brakes with just one lever. The second allows you to control one brake with two levers. Why? Well, there are myriad applications: cyclocross, fixies, tandems, bike polo, tricycles, recumbents, adaptive cycling, those four person bikes you see on beach boulevards, and so on. You could even link them both together for ultimate redundancy! Cable Doubler 1: 2 Instructions Cable Doubler 2: 1