RadRunner hack Part2, Adding a Torque Sensing Bottom Bracket

In our Part1 video we replaced the stock controller on the Radrunner for the Frankenrunner and CA3
• Interfacing Parts on F...
Part 3 Adding Regen Braking • Rad Factory Ebike Hack...
In this video, we show how the CA3 enables an easy upgrade from a basic cadence control scheme to a torque sensor. In the case of a fatbike like this, the bottom bracket will usually be 80 or 100mm wide rather than 68mm, which requires more specialized torque sensor, but luckily we had a few 100mm Sempu sensors lying around in our shop which which fit the bill.