The Rambo Electric Bike Basket was built to keep your equipment tight and secure! Simply load your gear and go. If you wish to have your gear even more secure, the baskets have been designed to easily strap down all of your equipment. FeaturesMounts to the rear of the bikeAmple storage spaceSmall is 13.5" x 13.5" x 7.25Large is 19" x 13.5" x 7.25"