I found some interesting mid drive pictures of Japanese classic ebikes.
As you know, modern mid drive system integrates the motor and front crank(or chain ring), but classic Japanese mid drive system had additional sprocket to drive the chain.
Just thought it was interesting to see how the drive system evolved.
Panasonic Mid Dirve
The front sprocket looks very similar to motorcycle.
Yamaha City-X Mid Drive
Bridgestone Real Stream Mid Drive
As you know, modern mid drive system integrates the motor and front crank(or chain ring), but classic Japanese mid drive system had additional sprocket to drive the chain.
Just thought it was interesting to see how the drive system evolved.
Panasonic Mid Dirve
The front sprocket looks very similar to motorcycle.
Yamaha City-X Mid Drive
Bridgestone Real Stream Mid Drive
