Avenir Nylon Bicycle Cover (Mountain Bike) When not riding, keep your bike well protected with this form-fitting nylon bike cover Constructed of heavy-duty, tear- and rip-resistant material; offers year-round protection from moisture and dust Designed and cut specifically to fit mountain bikes; measures 27.5 by 42.5 by 69 inches (W x H x D) Hook and straps at bottom of the cover keeps it in place Convenient zippered storage pouch is also included