With the Topeak GXT Bolt-on Kit, you have everything you need for tubeless riding. This compact set includes a mini-tool with the essential 9 functions, the Nano AirBooster CO2 pump with a cartridge, and the TubiCartridge MT tubeless tool for patching your tire. The included mount allows the repair kit to be attached to the frame, seat post, or directly to the bottle holder mount. With a simple twist, the tool set can be removed from the holder. Features: - Tubeless puncture kit including tools - Foldable mini-tool with 9 functions - hex keys 2 / 2.5 / 3 / 4 / 5 / 6 / 8 mm, Torx T25, flat screwdriver - Nano AirBooster CO2 pump head including 25 g CO2 cartridge, compatible with Presta (SV) or Schrader valves (AV) - Tubi Cartridge MT tubeless tool with insertion tool, reamer, and plug container (including 3 repair plugs 3.5 x 50 mm) - Mount for direct installation on the bottle holder mount or on the frame or seat post (using included cable ties) - Dimensions: 10.5 x 7.6 x 4.4 cm Delivery contents: 1 x Topeak GXT Bolt-on Kit, including mini-tool, CO2 pump with 25 g cartridge, tubeless tool with tubeless plugs and mount.