Bag of medium size and features. With separate inner pocket for small change or keys. Hinged lid with covered zipper. Washable material on the bottom of the bag. With removable aluminum handlebar, reflector and lamp holder. Contour bags are designed for bikes without a rack. They offer plenty of space and provide additional protection against splashing water and dirt.KlickFix Contour Adapter (included)The compact unobtrusive adapter for mounting on all common seatposts. So even on bikes without a carrier a bag can be attached quickly and securely. Complete with two stainless steel clamps suitable for 25-28 and 28-32 mm diameter. The release button is located on the respective bag bracket. This makes the adapter very inconspicuous when driving without a bag. From the use of carbon or other lightweight seatposts Klickfix generally advises against or recommend the advice of the manufacturer to obtain.