Half air compressor – Half pump. The JoeBlow® Booster pump just made it easier to install tubeless tires. This pump has an integrated aluminum air chamber that stores an air charge of one liter up to 160psi / 11 bar to quickly fill your tire and ensure the proper installation on a tubeless rim just like a shop compressor. Once you flip the selector from “CHARGE” to “INFLATE” mode air bypasses the chamber and flows directly into your tire like a standard pump. The top-mounted easy to read gauge air release button and comfortable dual density polymer grip combined with its extra-long hose and stable base makes mounting tubeless and standard tires a breeze! Features Easy to read top mount gauge. In CHARGE mode the pump quickly and easily seeds and fills tubeless tires using the integrated air chamber. Switching to INFLATE mode allows you to efficiently and precisely inflate your tire like a traditional pump Air release button SmartHead® DX3 w/ lower profile air release button to minimize unintended pressure release Anodized aluminium barrel with large cylindrical aluminium chamber and durable steel base Oversize padded handle SmartHead™ DX3 connector Extra long hose Top mounted analogue 160 psi gauge  Air bleed button for precise pressure setting Integrated Hose dock HEAD SmartHead® DX3 w/ air release button and x-long hose BARREL Anodized aluminum w/ large cylindrical aluminum chamber GAUGE 160 psi / 11 barTop mount analog PRESSURE TUNING Air release button HANDLE Oversize padded / Dual density polymer BASE Steel ADDED FEATURE Hose dock SIZE 74 x 25 x 18.5 cm / 29.1” x 9.8” x 7.3” WEIGHT 2.9 kg / 6.4 lb VOLUME PER STROKE 303 cc HOSE LENGTH 152