I have a good few of them on my AliExpress wishlist at around the £20-30 mark.

I'm more interested in them so I can play around with pressures on the trail, and then pump the tyres back up for the ride home.

Similar requirements to you:

• Small
• Digital display
• Pressure displayed when connected
• Auto cut-off when pressure is reached

Trying to decide if it's worth it over a Topeak SmartHead Digitial Pressure gauge and my trusty Lezyne Mini Pump.

 

Looking through some specifications, it appears the Rockbros Mini and the Muc Off Airmach Pro are one and the same. Which makes me think the insides of a lot of these will be identical...

 

There are only a few different ones really. Most are just rebranded like shock pumps.

 

They are not comparable to CO2, and trying to compare them to that is a waste, imo. CO2 is 1) fast, 2) high pressure, and 3) compact.

It's better to think of them like a mini (micro) pump. 1) larger, 2) slower, 3) reusable.

That said, I believe they wind up with the worst of both, in that they will 1) have limited uses, and 2) are not fast.

Somewhere along the way, CO2 was turned into "the way to do it", versus how it used to be: racers used them, because it was a one-and-done, but it was small, and worked extremely quickly. Once (road) racers no longer had to support themselves, they had to sell them to someone...

 

They are not comparable to CO2, and trying to compare them to that is a waste, imo. CO2 is 1) fast, 2) high pressure, and 3) compact.

It's better to think of them like a mini (micro) pump. 1) larger, 2) slower, 3) reusable.

That said, I believe they wind up with the worst of both, in that they will 1) have limited uses, and 2) are not fast.

Somewhere along the way, CO2 was turned into "the way to do it", versus how it used to be: racers used them, because it was a one-and-done, but it was small, and worked extremely quickly. Once (road) racers no longer had to support themselves, they had to sell them to someone...

My tire got a leak that wouldn’t seal up yesterday and I used up all of my CO2. I would have rather had a mini-inflator at that point. Instead, I got to slowly roll out a few miles on a flat. At least I had an insert so it worked as a run-flat.

I decided that a mini-inflator is preferable to a CO2 cartridge if I’m not in a hurry to re-inflate my tire and just need it filled up.

 

I have one, the brand is fanttik. I bought it to take on trips because I deflate my tires to fit into the evoc bag, and pumping them up at the destination was a pain using a mini pump. Works well, have never attempted to see how much I can get out of the battery but I've filled 4 tires up to 20-25 PSI without issue on one charge and it still has juice. It's small but somewhat heavy, not something I'd keep in my pack on a ride and if I'm just topping up my tire it's more clumsy than just using a floor pump. If I didn't travel with my bike I'd never use it tbh.

 

Seconding this one. It's great to keep in the truck. I check my pressure before every ride anyways and this does that and can top off/ inflate at the same time

 

cycplus AS2 Pro

good enough for Silca to use cycplus to make their Silca branded clone version

they rock.

I now have three, one for the Brompton (100psi), one I always camelbak for gravel
and mtb, adjusting pressure-to-terrain in far less time than hand pump, and
one designated for various other jobs like wheelbarrow and snowblower


this vids shows a complete examination of the build

 

cycplus AS2 Pro

good enough for Silca to use cycplus to make their Silca branded clone version

they rock.

I now have three, one for the Brompton (100psi), one I always camelbak for gravel
and mtb, adjusting pressure-to-terrain in far less time than hand pump, and
one designated for various other jobs like wheelbarrow and snowblower

Absolutely the best one. I have several of them and use them all but if I were to buy another one of the same type, so far, it would be the AS2 Pro.

That said, all of them are pretty darn good and superior to pumps and CO2 in every way as long as you are capable to remember to charge it occasionally. I’m talking once a month a most. Pretty sure I’d be fine if I did it once per quarter but I have the maintenance reminder at a month right now

Why is it better than CO2:
1. Allows for a mistake
2. Can be used multiple times
3. Weight and size equivalent to ~2 CO2 cartridges
4. No waste

CO2 advantages
1. Faster
2. No battery for people that find charging to be a burden

 

Prestaflator GO - Portable Digital Rechargeable Preset Bicycle Tire In

Prestaflator GO – Feel the Freedom of Perfect Tire Pressure! 🚴♂️🔋 Ride Faster. Ride Farther. Ride Worry-Free. Imagine never struggling with tire inflation again—just attach, press start, and go! The Prestaflator GO is your ultimate electric bike pump, designed for speed, precision, and...

prestacycle.com

WORKS KILLER

 

I, too, am interested in this product type.

 

I have one called "Airbank" from Amazon. It's been great and I've used it and helped others on the trail a bunch of times. I still carry a CO2 as backup, but this has replaced my mini pump. Everyone that's borrowed ends up wanting one.

Don't love that it's another thing to make sure is charged, but I love that it's reusable and doesn't freeze sealant like CO2.

 

Using the cycplus one. Worked very well on vacation over a few weeks. Mounted a few tires, etc. Its small, it fills somewhat slow, it recharges fast, it gets warm.

 

Mounted a few tires... As in it will seat a bead of a 29 x 2.4?

 

I have two friends that bought this one and we used it twice on the trail last week. Worked perfectly. https://www.amazon.com/dwndpump-Ele...&pd_rd_wg=D2L9x&pd_rd_r=0a6c695a-a74f-4dbe-ad76-ae5e990d6f17&pd_rd_i=B0CTJMFW2K

 

If you already own a battery or three, this Ryobi inflator is actually not bad. Someone had one of these at a race last year and passed it around generously to a lot of riders. Crazy loud though.

RYOBI ONE+ 18V Cordless High Pressure Inflator (Tool Only) PCL001B - The Home Depot

This wonderful RYOBI ONE+ Cordless High Volume Power Inflator is perfect for fast, high volume inflating and deflating of air mattresses and pool toys.

www.homedepot.com

 

I'm guessing you didn't realize he's asking about the MINI inflators that people are carrying in your pack in lieu of C02 cartridges.....?

 

I have one (can’t remember the brand name) that looks more or less identical (other than color maybe and logo/brand) to nearly all of the ones I see reviewed and sold online. Works fine, the pressure gauge isn’t as accurate as my two digital gauges, but definitely close enough for trailside duty. I’ve never had good luck with CO2 carts when I needed them and always carried a mini pump as backup, so the electric pump is a nice alternative to that combo.

 

Can you make it smaller? Some similar products I’ve seen are only palm-sized.

 

The AS2 Pro is a wonderful tool, but I don't pack it for rides. Pump works great for the very few flats that I get.
Eff CO2

 

I've been using these two for the past several months. I used the small one on the trail last weekend. Easy peasy. Topped off the tire in a few seconds. I use the Fanttik as my main pump. Pre set the pressure and stops when it reaches it. Works with road bike pressures too.

 

My main use for my electric is for filling tires after reassemble on a vacation trip and for topping off on the same trip. Secondary is if I have to replace a tire on said trip or change one for any reason (not on the trail). On the trail I want a hand pump for the endless air.

 

I, for one, think these are an enormous waste of the worlds resources.

A mini/micro handpump is smaller, lighter, doesn't need charging, doesn't need lithium being ripped out the ground, will inflate an infinite number of tyres so long as it's got power (you've eaten something in the last week), and can be recycled. Even a Co2 canister can do almost all of that.

 

I, for one, think these are an enormous waste of the worlds resources.

A mini/micro handpump is smaller, lighter, doesn't need charging, doesn't need lithium being ripped out the ground, will inflate an infinite number of tyres so long as it's got power (you've eaten something in the last week), and can be recycled. Even a Co2 canister can do almost all of that.

So you own no battery powered devices then? I think phones, laptops, eBikes, EVs etc will account for way more lithium being mined than a little electric bike pump.

Also, a mini pump may be smaller and lighter but it doesn't allow you to check and adjust tyre pressures on the fly, which personally is the main selling point of these devices (although I've yet to buy one). Granted I could take a pump with a gauge, but they're cumbersome and often inaccurate.

 

I'm guessing you didn't realize he's asking about the MINI inflators that people are carrying in your pack in lieu of C02 cartridges.....?

Lots of people reading this and learning from it besides the OP. ANd then there is this note.

I'm not expecting them to seat a tyre,

Obviously this will differ for some people, but a couple of my flats required the tire to be seated. I carry CO2, and and going to continue to do so, but I've been considering one of these inflators to just leave in the car for when I go riding, rather than carrying the big pump that doesn't fit neatly in the frunk with the rest of my gear (helmets, shoes, gloves). So right now, I have to carry the pump in the back of my car. It'd be worth the cost just for the convenience of saving the space.

I actually have a Milwaukee M12 pump that is like the one he posted; however, it only has a schrader hose fitting.

 

Lots of people reading this and learning from it besides the OP. ANd then there is this note.



Obviously this will differ for some people, but a couple of my flats required the tire to be seated. I carry CO2, and and going to continue to do so, but I've been considering one of these inflators to just leave in the car for when I go riding, rather than carrying the big pump that doesn't fit neatly in the frunk with the rest of my gear (helmets, shoes, gloves). So right now, I have to carry the pump in the back of my car. It'd be worth the cost just for the convenience of saving the space.

I actually have a Milwaukee M12 pump that is like the one he posted; however, it only has a schrader hose fitting.

Prestacycle makes a nice push-on presta adapter for that.

 

Lezyne Pocket Drive. Problem solved. Will never let you down.

 

Untill you unscrew the valve core trying to remove it! Twice!

 

Who needs to carry a tire gauge on rides?
I can wing-it if I need to inflate or adjust on the trail.

 

I have a 7ish mile road cycle to my local trails so like the tyres firm for the ride there and back. I've been winging it for many years, but since I need to carry a mini hand pump anyway I thought one of the mini electric pumps would be handy to replace it and allow me to set my desired pressure for the actual trails. Plus I'm on new tyres and haven't quite dialled in the perfect pressure yet so it would be good to have a numerical value for experimentation, rather than just the squish by hand test.

Like anything, they won't be for everyone.

 

I'm thinking about getting one because my mountain morph is so big. So big but so good. I'm on the fence on whether I want to rely on a battery when the mountain morph makes pretty easy work of flats. Tiny hand pumps are a nightmare. I would 100% ditch those for an E pump.

 

Unfortunaty, I don't have the luxury of being able to ride my mtb bike to the trailhead.
So no need for a gauge.

 

Unfortunaty, I don't have the luxury of being able to ride my mtb bike to the trailhead.
So no need for a gauge.

Believe me, I'd rather than drive as then I could go further afield without relying on unreliable friends! The drop like flies as you get older

I live in the city though, so can't justify a car otherwise.

 

Cycplus is pretty awesome in my limited experience. The one I have you can set the digital gauge and top-off tires pre-ride. I have not tried it for a full inflation.

 

Just ordered a Cycplus AS2 Pro + M2 computer combo. I rarely need a map and wanted a cheap computer to display data. I have a Garmin 520 for days when I need map data.

 

My monthly maintenance task to charge the mini-pumps came up at noon today so I thought I’d do a comparison shot of the ones I have:

Weights:
CO2 cartridge: 59.9g
Cycplus (older version): 115.0g
Cycplus AS2: 137.7g
Fumpa Nano: 97.1g
Prestacycle Prestaflator Go: 149.2g
Fumpa OG (stays in truck): 362.4g

I carry the AS2 in my USWE. The others live in frame storage or are put in my pocket before a ride if needed.

 

My monthly maintenance task to charge the mini-pumps came up at noon today so I thought I’d do a comparison shot of the ones I have:

I carry the AS2 in my USWE. The others live in frame storage or are put in my pocket before a ride if needed.

Fantastic comparison and really appreciate the effort taken to do it for us all.

Are any of your collection able to act as a pressure gauge without having to be pushing air?