The Tubi Cartridge G16 Storage Box by Topeak is a compact and stylish solution for gravel bike tubeless tire repair. This kit can be used alone for tire repairs or in conjunction with a CO2 inflator for tire inflation. The box is designed in the style of a CO2 cartridge pod and can be conveniently mounted to saddle rails or a bike frame using compatible accessories such as the HybridMaster Mini, TubiMaster GX DF, NanoMaster DF, or TubiMaster GXT Bolt-on.Included in the kit are essential tools for tire repair, including a 2-in-1 tire reamer and plug insertion tool. Five pieces of 3.5mm x 50mm tire repair plugs are also provided. The kit's CNC aluminium and stainless steel construction ensures durability and longevity.The Tubi Cartridge G16 Storage Box is compatible with various Topeak accessories, including the HybridMaster Mini, TubiMaster GX DF, NanoMaster DF, TubiMaster GXT Bolt-on, Ninja CO2, and Ninja Master+ CO2 FuelPack. A convenient repair plug compartment is also included.With dimensions of 8.8 x 2.2 x 2.2 cm (3.5"" x 0.9"" x 0.9"") and a weight of 38.3 g (1.35 oz), this Tubi Cartridge G16 Storage Box is the perfect accessory for any gravel bike enthusiast.