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 it can be easily removed with all the stored items from 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 extended version provides space for a modular helmet. If you have special requests that are not covered by the available options, please contact our customer service, and we will try to accommodate your wishes.