The tubeless MTB tyre repair kit is compactly housed in a CO2 cartridge, which is used separately for tyre repair or additionally with a CO2 inflator for direct tyre inflation. Tools: 2-in-1 installation mandrel (3.5 mm) and 5 wicks 3.5mm x 50mm Material: cnc aluminum / Stainless steel Dimensions: 10.5 x 2.6 x 2.6 cm Weight: 53.8 g Compatibility: TubiMaster GXT Bolt-on