The SH38X side boxes can be expanded by up to 70 mm (40%). The side boxes are available in various colors: silver, carbon style, white, or black. The side case comes ready for installation with a specific mounting kit. The package includes two side cases. The inner bag makes it easier to carry your belongings, as you can simply take it out with everything stored inside the case. It features a front pocket, a side handle, and a shoulder strap for carrying. The side boxes have a capacity of 10 kg, with dimensions of 50 x 27/34 x 39 cm. The expanded version provides space for a modular helmet. 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.