Are the new headlights and tail light compatible with the older X-Class versions? Updated July 25, 2022 18:40 Sadly the new headlights are not compatible with the previous X-Class models. Related articles Can I use a battery from one model for a different one? Or swap other parts/features? How to use the Horn/Alarm Are your bikes water resistant? How to change rotor Can I adjust the power on each Pedal Assist Level? Comments 0 comments Please sign in to leave a comment.