A compact, all-in-one tubeless tire repair kit and CO2 inflator makes quick work of repairing flats on the road or trail.CO2 inflator head fits Presta & Schrader valves and carries a single threaded 16g or 25g CO2 cartridge.Tire reamer, serrated knife and plug insertion tools fold away into tool body while a special concealed compartment holds repair plugs.A mounting module lets Tubi Master+ attach to seatposts or bike frames with included strap.