I did a mid engine conversion on a Specialized Sirrus with rim brakes. I got the kit from Luna Cycle and just had to get a bottom brac ket tool. It was a very easy project. I had to reconfigure the battery mount a little bit, and I upgraded the brake pads. After riding it for a week or two I realized e-bikes weren't my thing and I sold the bike. I didn't like being reliant on a motor, and the bike didn't ride very well without the power, but it was a cool project.
