Conn. Gen. Stat. § 14-289l
On and after January 1, 2019, any manufacturer of electric bicycles offered for sale in this state shall (1) ensure that such electric bicycles comply with all relevant requirements for bicycles established pursuant to 16 CFR 1512; (2) affix a conspicuous label to each electric bicycle that contains the classification, maximum speed and motor wattage of such electric bicycle; (3) equip each class 3 electric bicycle with a speedometer that displays the speed at which such class 3 electric bicycle is traveling in miles per hour; and (4) ensure that (A) the motor of each class 1 electric bicycle disengages when the rider of such electric bicycle stops pedaling or such electric bicycle reaches the speed of twenty miles per hour, (B) the motor of each class 2 electric bicycle disengages when the brakes of such electric bicycle are applied or such electric bicycle reaches the speed of twenty miles per hour, and (C) the motor of each class 3 electric bicycle disengages when the rider of such electric bicycle stops pedaling or such electric bicycle reaches the speed of twenty-eight miles per hour.
Conn. Gen. Stat. § 14-289l
( P.A. 18-165, S. 2.)