I read some of the troubles you had with the brakes on Sting Rat. Sounded like fun I ended up getting what was called a Shimano "J-kit". The calipers and levers come pre bled and the hose is only attached to the caliper. They offer it as a retrofit option for bikes with internal routing. Not sure if the hoses will be long enough but figured I'd start with as close to completely matched and ready to go components as possible to avoid trouble.