Waterproof Bicycle Cover with Zipper Cycle Cover for Electric Assist Bikes The center zipper makes it easy to attach and detach the battery. Easy to put on, just open the zipper and cover. Equipped with all the necessary features for a cycle cover, such as a pole attachment belt for drying, a windproof buckle, reinforced lock holes, and a drawstring to prevent flapping. Stylish two-tone color. <Compatible Bikes> Electric assist bikes with front child seats + sunshade child seats (e.g., Gyutto Crewm) Electric assist bikes, 20-28 inch Thank you for viewing.