



Every motorcyclist has that one piece of emergency equipment they hope they’ll never need.
For me, that’s the CYCPLUS AS2 Pro Max portable tire inflator.
After relying on it during an actual roadside puncture repair, it’s become one of the few pieces of gear I won’t leave home without.
Small Enough to Carry on Every Ride
One of the biggest advantages of the AS2 Pro Max is its size. Measuring roughly 60 × 32 × 81 mm (about 2.4 × 1.3 × 3.2 inches), it’s compact enough to fit inside a saddlebag, pannier, tail bag, or tool roll without taking up much room. Despite its small dimensions, it includes a digital pressure display, USB-C charging, preset pressure settings with automatic shutoff, and enough battery capacity to handle motorcycle tires in addition to bicycle tires.
For motorcycle travel, that’s a huge advantage. Space is always limited, and every item has to justify its place in your luggage. The AS2 Pro Max is small enough that carrying it on every ride is an easy decision.
Simple to Use
Operating the inflator is refreshingly straightforward.
After charging it via USB-C, you connect the hose to the tire valve, turn the unit on, set your desired pressure using the digital controls, and press start. The display shows both the current tire pressure and your target pressure while the compressor works. Once it reaches the preset pressure, it automatically shuts off.
That automatic shutoff removes the guesswork from roadside tire repairs and makes topping off pressures quick and stress-free. It’s one of those features you don’t fully appreciate until you’re kneeling beside a motorcycle on the shoulder of the road.
The Ride Where It Proved Its Worth
I didn’t really buy the AS2 Pro Max expecting to use it very often.
Then I picked up a puncture.
After pulling off the road, I immediately started looking for the leak but couldn’t find it because the tire had already lost so much air.
That’s when the inflator became more than just an air pump.
I inflated the tire enough to build pressure, then listened carefully until I could hear the escaping air. The sound made locating the puncture much easier, allowing me to install a plug exactly where it was needed.
With the repair completed, I used the pump a second time to inflate the tire from approximately 3 PSI all the way back to 42 PSI.
That nearly exhausted the battery.
Honestly, I wasn’t disappointed.
Asking a handheld battery-powered compressor to perform two substantial inflations during an emergency is a demanding test, and it completed both before the battery was depleted.
Why I Prefer It Over CO₂ Cartridges
After plugging the tire, I rode a short distance to help seat the plug before stopping for something to eat.
While I was inside the restaurant, I plugged the AS2 Pro Max into a USB charger and let it recharge.
When I returned to the motorcycle, I found the plug hadn’t fully seated yet and the tire had lost a little pressure.
No problem.
I simply used the inflator again to top the tire back off before continuing my ride.
That experience completely changed how I think about portable tire repair.
With CO₂ cartridges, once you’ve used your cartridges, you’re done. If the repair needs another inflation—or if the plug doesn’t fully seal on the first attempt—you’d better have packed extra cartridges.
The rechargeable CYCPLUS gave me another option.
Before leaving, I plugged it into the USB port inside my saddlebag so it could continue charging while I rode, just in case I needed it again later that day.
Thankfully, I didn’t.
But knowing I could recharge it from the motorcycle itself provided a level of confidence that disposable CO₂ cartridges simply can’t offer.
I still carry my CO₂ inflator because I believe in redundancy, but if I had to choose only one, the CYCPLUS would be the one I’d keep.
It Gets Hot—and That’s Understandable
The only downside I experienced wasn’t unexpected.
Portable compressors generate heat, especially when they’re working continuously.
After inflating a motorcycle tire from roughly 3 PSI all the way to 42 PSI in one uninterrupted session, the AS2 Pro Max became extremely hot.
Thankfully, CYCPLUS includes a silicone protective sleeve, and I’m honestly not sure I would have wanted to handle the pump immediately afterward without it.
I don’t really consider this a flaw.
I was asking a very compact compressor to perform one of the hardest jobs it could reasonably be expected to do.
Had I paused for a minute or two during the inflation to let it cool, I suspect the temperature would have been much lower. In fact, when I later used it simply to add a few PSI after the plug settled, the pump barely warmed up.
Other reviewers have also noted that compact electric inflators generate noticeable heat during extended inflation sessions, and several have specifically mentioned that the included silicone sleeve is a practical addition for handling the pump safely after heavy use.
What Other Reviewers Have Observed
My experience has been overwhelmingly positive, and it’s interesting to see that many professional reviewers reached similar conclusions while focusing on different strengths.
Other reviewers have noted that the AS2 Pro Max’s compact size and automatic pressure control make it an appealing alternative to both mini hand pumps and CO₂ inflators, especially for riders who value convenience.
Several reviewers have observed that the larger battery gives the Pro Max enough capacity for applications beyond bicycles, including topping off motorcycle tires, making it one of the more versatile compact inflators available.
Other reviewers have also pointed out that the additional battery capacity comes with a tradeoff: the Pro Max is heavier than the standard AS2 Pro. Cyclists looking to minimize every gram sometimes prefer the smaller model, while those wanting greater inflation capacity often favor the Pro Max. That’s a reasonable tradeoff, and for motorcycle travel the extra size and weight have never been an issue for me.
Some reviewers have also mentioned that the inflator isn’t designed to be waterproof, so it’s best stored somewhere protected from the elements—a practice I’d recommend regardless of what portable electronics you’re carrying on a motorcycle.
Final Thoughts
The CYCPLUS AS2 Pro Max took what could have been the end of a ride and turned it into a manageable roadside repair.
Its compact size makes it easy to pack on any motorcycle, the digital display and automatic shutoff make it incredibly simple to use, and the ability to recharge it from a USB source gives it a significant advantage over disposable CO₂ cartridges.
Yes, it gets hot during long, continuous inflations. That’s simply the reality of asking a compact, battery-powered compressor to refill a nearly flat motorcycle tire. Fortunately, the included silicone sleeve does an excellent job protecting your hands, and allowing the pump to cool between long inflations largely solves the issue.
After depending on it during an actual puncture repair, I have complete confidence in carrying it on future trips. It has earned a permanent place in my motorcycle travel kit. I still keep a CO₂ inflator in my luggage because I like having a backup, but if I ever have to deal with another flat on the side of the road, the CYCPLUS AS2 Pro Max will be the first tool I reach for.






















