Xootr Handlebar Clamp for all models. Includes a black aluminum handle clamp, three handle clamp screws, t-handle bar stop screw, brake cable, and cable end.See replacement instructions here. Replacement instruction videos are available here and here.
Note: The Handlebar Clamp kit is available with or without the black cable housing. If your housing is worn, it should be replaced at the same time as the kit is installed.