Are the new headlights and tail light compatible with the older X-Class versions? Updated May 31, 2022 01:59 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? Are your bikes water resistant? How to use the Horn/Alarm Can I adjust the power on each Pedal Assist Level? How to change rotor Comments 0 comments Please sign in to leave a comment.