Topeak Joe Blow Booster Floor Pump SHIP_FREE_EXPRESS we designed the Powerstrap X4

we designed the Powerstrap X4 to be simple

impacts both sides of a rim equally with a flat rubber pad without a tire mounted on the wheel

Featuring Nike Therma-FIT technology

this is the GOCap Classic SC

Socks are durable

Topeak Joe Blow Booster Floor Pump SHIP_FREE_EXPRESS we designed the Powerstrap X4The easy way to install tubeless tires! No more frustrating leaks because you cant pump up your tire 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 11bar to quickly fill and seat your tires. Once the tire is mounted, you can turn the selector from CHARGE to INFLATE mode to pump air directly into your tire and fine tune pressure as with a standard pump.