Electric Cyclery offers Class 3 high-speed settings (up to 28 mph) for the Elby electric bikes.
Class 2 (20 mph pedal-assist with throttle) or Class 3 (28 mph pedal-assist only) settings are available for Elby electric bikes.
Class 3 settings are currently only available to residents of California, Utah, Colorado, Arkansas, Illinois and Tennessee.
Test ride at Electric Cyclery.