Compact and lightweight rolling pannier designed specifically for smaller road and gravel bikes. It is equipped with four compartments for storing inner tubes and necessary tools.the secure strap allows attachment to the frame tube or seatpost. COMPARTMENT 4 COMPATIBILITY Fits 700 x 50c inner tubes. Topeak CO2 inflater, CO2 cartridges, Tire levers, and mini tools BAG ATTACHMENT Hook and loop fastening strap MATERIAL 600D Polyester, water repellent and stain resistant Hypalon / Stainless steel ring SIZE 12.1 x 10 x 2 cm WEIGHT 68 g ADDED FEATURE Reflective Printing