Here's a prototype of this style of drive on an e-bike (2016), killer feature is smoother gears and potential for better designed bikes, it'd be perfect for the

Here's a prototype of this style of drive on an e-bike (2016), killer feature is smoother gears and potential for better designed bikes, it'd be perfect for the Convercycle Extendable E-cargo without crazy long chains everywhere. https://youtu.be/4JKOKpg21dQ https://youtu.be/4JKOKpg21dQ