The Topeak Tubi Master GX Duo Fixer is a compact and efficient solution for tubeless tyre repair and CO2 inflation. This kit includes a Nano AirBooster CO2 inflator, TubiCartridge G16, and a 16g CO2 cartridge, making it perfect for race-ready cyclists. It attaches easily to your saddle rail with the included Duo Fixer, allowing dual use with other Topeak Duo Fixer system accessories. A simple slide and click ensure a secure fit for a safe ride. Key Features Tools: Nano AirBooster CO2 inflator, TubiCartridge G16, and one 16g CO2 cartridge Inflator Head: CNC aluminium, fits Presta and Schrader valves Attachment: Duo Fixer on saddle rail Compatibility: Lower: Topeak QuickClick saddle bags, HybridMaster Mini, FreePack, and FlashFender DF with lower bracket Size: 11 x 4.7 x 3.6 cm / 4.3" x 1.85" x 1.4" Weight: 128 g / 4.51 oz Added Feature: Mounting module The Topeak Tubi Master GX Duo Fixer is designed for cyclists who need a reliable and easy-to-use repair kit. Its compatibility with various Topeak accessories makes it a versatile addition to your cycling gear.