The top box has a capacity of 55 liters. The mounting kit is available in three different colors: Plastic Black, Aluminum, and Aluminum Black. The package includes the top case and a cover for it. The side bags are sold separately. The top case comes ready for installation with a specific mounting kit. Also included is the appropriate accessory for mounting the SHAD TR37/TR48/TR55. The inner bag makes it easier to carry your belongings, as you can simply take it out with everything stored inside the case. The TR55 Terra Pure Black features a side handle. The expandable inner bag can be enlarged compared to the Terra bag using a zipper. The backrest for the Terra top box is the best friend for any co-pilot and enhances passenger comfort. The top box was designed and manufactured in Barcelona and is the winner of the Red Dot Design Award. If you have specific requests that cannot be met by the available options, please contact our customer service, and we will try to accommodate your wishes.