Richmond Gear developed its 2-Speed transmission after seeing a need for a quality piece that the Saturday-night racer could afford. The 2-Speed uses a Borg Warner Super T-10 aluminum case ...

The original Tesla Roadster was supposed to use a 2-speed gearbox, but that was substituted for a fixed reduction-gear setup after prototypes failed to handle the motor's copious torque.

It also adds a 2-speed transmission that helps the motor, as in the Porsche Taycan, launch assertively while also aiding high-speed responsiveness. According to the company, the two-speed will ...