Originally Posted by
joejack951
Shaft drive commuter bikes have existed for years. I believe these have struggled with high-ish power even using conventional right angle gear components. As have internally geared hubs. And the big downside is that you have all those issues plus *more* drivetrain frictional losses. I'll be shocked if this is not the dead-end that many are already speculating it is.
They were heavy and limited to fixed gear, basically.
Given this is one OEM vendors pet system....I don't see widespread adoption no matter what.