Segway B100 E-Bike - Kickstand Repair Video
Put the frame down and use the T45 head to loosen the 2 screws (P1) holding the kickstand and remove the kickstand.
Take the new kickstand, align it with the threaded hole at the bottom of the frame, take the taillight line out of the groove at the bottom of the middle bracket assembly, and lock it with T45 batch head, pre-tighten and then tighten, torque 20-25N·m.