Show me your Wired SRM Setup

Installed a wired SRM on my TT bike last night. Ran it up the downtube but the transition from downtube to aero bars is not nearly as clean as I would like it. IE lots of electrical tape transferring it from the downtube along the side and up the brake cable. Anybody else have a better routing method? I would rather not drill out my frame but would consider it if I saw a clean solution……