Fanttik X9 Pro Tire Inflator Review: The Air Pump I Keep on My Motorcycle

I carry the Fanttik X9 Pro tire inflator on my motorcycle religiously now

I picked up the Fanttik X9 Pro because I wanted something tiny I could actually keep on the bike for my weekly tire check without having to drag a hose and a corded compressor out of the garage. Most inflators are too bulky to live in a saddlebag. This one is small enough that I can toss it in and forget it’s there until I need it.

For topping off motorcycle tires it’s been perfect. On my adventure bike it’s easy to reach the valve, and even on my Goldwing — where the hose is a little short for the awkward valve position — I can make it work with a bit of patience. It reads within about 1 psi of my other gauge, so I trust the number it gives me.

Surprisingly punchy for its size

The thing that actually shocked me was a real flat. A guy at work ran a screw into the tire on his little SUV and it was sitting at zero, completely flat. I hooked the X9 Pro up and it filled that tire to 35 psi in somewhere between five and ten minutes — while it was still leaking a bit — and only used about half the battery. For something this compact, that’s serious power. Set the pressure, it auto-shuts-off when it hits the number, no guessing.

The honest catch: battery and longevity

I want to be straight about the downsides because they’re real. The battery is the weak point. On mine I get strong runtime, but I’ve seen plenty of people say theirs only lasts about ten minutes of continuous running before it’s drained from a full charge. If you’re doing a lot of work in one go, that’s a limitation.

The bigger concern I’ve noticed across owners is reliability over time. Some units throw an error code (an “EA5” type message) or simply stop taking a charge after light use — a few months to a year and a half in. Mine’s still going, but it’s clearly a unit-to-unit lottery. The flip side is that when people have actually gotten through to Fanttik support with a video and invoice, they’ve sent out replacements, so the warranty does seem to mean something if you push.

Pros and cons

• Pro: genuinely pocket-sized, fits in a saddlebag — best part for me.
• Pro: way more power than the size suggests; handled a fully flat car tire on half a charge.
• Pro: accurate readings and reliable auto-shutoff.
• Con: battery runtime can be short, especially on bigger jobs.
• Con: spotty long-term reliability — error codes and dead batteries show up in a chunk of reviews.
• Con: hose is a bit short for some bike valve positions.

My verdict

If you ride and you want something you can actually keep on the bike, this is the one I’d point you to — its size is the whole reason it works for me, and the power is a real bonus. If your main use is a big SUV or you need a workhorse that runs for long stretches, the small battery and the reliability question marks would give me pause. For motorcycle and quick-top-off duty, I’m glad I have it, and I’d buy it again with my eyes open about the battery.