Durable fiber reinforced composite Matrix constructionOptimized side-load design for easy access in compact framesAvailable in right side configuration onlyIntegrated storage containerCO2 cartridge holder on both sides of the cage.. -01 Loaded Kit option: includes CO2 head, V18 multi-tool with tubeless reamer and tire plug kits, Two Included CO2 Cartridges-02 Loaded Kit option: includes CO2 head, V18 multi-tool with tubeless reamer and tire plug kits.