Beto: JetAir CJA-001S Tubeless Air Tank Inflator- -

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Beto: JetAir CJA-001S Tubeless Air Tank Inflator- -

Beto: JetAir CJA-001S Tubeless Air Tank Inflator- -

RRP: £99
Price: £9.9
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The growing popularity of tubeless tyres has led to a new pump category, with an extra chamber that provides a big burst of air to get a tubeless tyre seated. You pressurise the tank, and then release all the air into the tyre in one hit, blowing the tyre bead up on to the rim seat. Weight and portability

Across my mtb mates I'd say that I'm fairly typical, people dip in and out depending on circuimstances and recent experiences.Some people swear by the ‘inflate with inner tube, leave for a period of time and then remove the tube’ approach. This has its merits but its the ‘leave for a period of time’ part which can sometimes frustrate, especially if I’m particularly enthusiastic to get riding. I like the fact it’s a solid bit of kit – the top carry handle is sturdy and the whole thing feels like it will last years. It’s also nice to know there’s a relief valve under the base. In theory you could charge the tank and use it as a reservoir for topping up tyres too (saves a bit of impromptu pumping) but personally I prefer to leave it unpressurised until I need it.

If you are looking for a tubeless inflator pump to last, Topeak’s JoeBlow Booster is definitely worth looking into. While it didn’t top the charts in our lab tests, it impressed us with real-world practicality and a durable build. If you can look past the plastic finish, slow gauge and slightly flimsy feel of the Bontrager TLR Flash Charger, you will be rewarded with a well-performing pump that undercuts the competition by a large margin. There’s nothing particularly flashy about this tubeless inflator pump. It’s well-built, and even the plastic parts feel robust. The wide handle is comfortable to use, and the stroke is smooth and pretty well dampened. The large, easy-to-read gauge proved to be accurate in our tests, however, it does need a little while to settle before you can take a reading. The Presta + Schrader Smarthead is a great feature, allowing you to use the pump on both types of valves without having any faff. We also liked the twist-to-release lever, which matches the overall robust feel of the pump. The Topeak JoeBlow Booster performed averagely in our lab, recording a peak flow of 2.8 l/s in our test scenario and a one-shot pressure of 24 psi. While these numbers weren’t outstanding, we were impressed by the JoeBlow’s reliability, bomb-proof build and useful features.

Specialized Air Tool Blast

When I set up tubeless tyres these days, they go up first time, and stay up. Mostly any cut will seal instantly with no intervention from me. Last time I recall even hearing a hiss was about 6 months ago, and that stopped within seconds. Maybe once a year there will be a 3mm+ cut that requires a rubber plug to seal - done on the roadside, no mess, no faff, not even removing the wheel.

The BETO JetAir splits the difference between cost and portability that a combined pump and charge tank provides, at the expense of a minor amount of faff in comparison. If you are after a tubeless inflator pump that draws attention wherever you take it, the Crank Brothers Klic Floor + Burst Tank is for you: it wouldn’t look out of place next to the flashiest superbike. The option to remove the chamber and use it as a ‘standard’ floor pump is nice, and if you can get used to the connection process it delivers good performance. It’s seen enough use for me to value it as one of those items that makes my tubeless life that bit easier (even with my WTB ST i25 tubeless experience, seating the bead was not a problem). The best thing about the Flash Charger is the Auto-select head – it fits both Presta and Schrader valves and clamps solidly to the valve stem. The Flash Charger produces a good blast of air and seated our test tyre first time. Due to the slightly smaller charging chamber the pressure in the tyre averaged around 30psi, which does mean you have to bleed off air rather than add strokes. There’s a release valve on the side but this only bleeds off air in the hose and main chamber.


This pump has been designed to work best on 32mm and wider tyres and in comparison to Lezyne’s CNC and Classic Floor Drive pumps. The barrel on the Sport Gravel Drive is larger, helping to move more air at a time. With regards to the pumping power, this one is excellent for large-volume tyres as it requires a lot less effort to get the tyres pumped up, which is why it's so good for gravel tyres. If you want a pump that's shiny and/or anodized with a wooden handle and a cool-looking gauge, it'll cost you more than a basic plastic pump, but you might not be interested in how the pump looks, especially if it's going to spend its whole life in the shed or garage. When it comes down to it, setting up tubeless tyres on bikes is a fairly simple job. Tape the rim, add a suitable valve, install the tyre and inflate. Salt with tubeless fluid as you desire. I've punctured so badly as to not let sealant repair on several occassions, but that's when you pull out tyre noodles. I have NEVER had to resort to a) removing a wheel, b) removing a tyre and c) putting in an innertube. I simply repair with a tyre noodle and away I go.

  • Fruugo ID: 258392218-563234582
  • EAN: 764486781913
  • Sold by: Fruugo

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