More than a rear hub. You wouldn't even think the RH60i was already mounted on a bike. It's so small that already shade by the flywheel. Light and small, while maintaining high efficiency and 30Nm torque output.

Are you looking for a tiny motor perfectly hidden in the downtube? Pick S20, column shape, simple and small, fits for the innovative eBikes. The new magnesium alloy version with titanium silver gray metallic spray paint weighs only 2.6kg, light and compact but it is still able to perform at high power.