Includes a range of integrated bike tools designed to address common mechanical surprises and keep you riding smoothly Fits a spare chain link and 16/20g C02 Includes Hex: 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, and 8 mm Torx: T25 Flat screwdriver Tire plug tool and 2x plugs Tire lever Chain tool Spoke wrenches 0, 1, and 2 Valve core tool CO2 head Storage tube. TOOL TT17 TWIN TUBE KIT