Half pump. The JoeBlow Booster pump just made it easier to install tubeless tires. No more mounting problems due to frustrating leaks because you can’t inflate your tires fast enough to get an effective rim seal. 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 proper installation on a tubeless rim. It’s just like having your own air compressor to do the job right. Its patented selector allows you to change from CHARGE to INFLATE mode, where the air bypasses the chamber and flows directly into your tire, operating like a normal pump. Use INFLATE mode to dial in the perfect air pressure or simply mount and inflate a standard tire. The top-mounted easy to read gauge, air release button and comfortable Kraton grip, combined with its extra-long hose and stable base makes mounting any tire a breeze!

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