Originally Posted by Rick7938

Living near Fort Bragg, I see a number of soldiers and ex-soldiers with prosthetic legs who still ride their bikes. One of the modifications that some of the local bike shops do is to install a proportioning valve to the brake system that integrates both the front and back brakes and is activated by the front brake lever. The braking bias is adjustable so you can dial in more or less back brake for your preference.

I know it doesn't really answer your question, but is just food for thought. Best of luck in your project.