Small and cheap with awesome pumping performance

Getting high pressures out of a pump small enough to fit in a jersey pocket is always a challenge, but GT have nailed it with their Attack Mini Pump. Maximum tyre pressures are achievable and you don't have to have arms like Popeye to make it happen.

It doesn't matter how light the pump is, or how much air in a stroke the barrel can put out, if it isn't secure on the valve then it's worthless. To ensure a tight fit for the Attack, GT use a thumb lock, a simple right angled piece of aluminium that you can push over with your thumb while pushing the head on to the valve. It stays in place securely with a vice-like grip, taking the tube from flat all the way up to rock hard.

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When in storage the Schrader/Presta pump head snap-fits into the pump handle, but for ease of use it's attached to a flexible hose that gives you an extra 130mm of length. I always find a hose helps because it stops the movement of the pumping motion from pulling at the valve and head connection.

A claimed maximum pressure of 120psi from a mini pump is always treated with scepticism, but hats off to the Attack. It gets there, and relatively easily too in terms of effort; it just depends whether you have the time because you're looking at more than 220 strokes. The last few taking some real pushing as well.

A more real world pressure of 100psi (25mm Contis) takes around 190 strokes, but it's not an effort to get there. The barrel gets a bit warm, but as long as you manage not to pinch your fingers between that and the plastic handle then the whole thing is a pretty easy operation. Which is exactly what you want when you're on the side of the road in the dark, freezing rain cutting your face in the gale force wind – because we all know that's when punctures usually happen.

The overall finish feels a bit cheap, but to be fair the Attack is cheap – though I think £16.99 for the performance is a bit of a deal. The sharp edges on the handle can catch your fingers and when your hands start sweating you can get the occasional slip, but overall the GT Attack is a great little mini pump with a well thought out design and secure performance. It's earned its place in my commuting rucksack – or you could attach it to your bike, as you get a small frame bracket and some extended cage bolts in the pack.


Small and cheap with awesome pumping performance

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road.cc test report

Make and model: GT Attack Mini Pump

Size tested: Black/Polished Schrader and Presta compatible

Tell us what the product is for, and who it's aimed at. What do the manufacturers say about it? How does that compare to your own feelings about it?

It's a high pressure mini pump that's the perfect size for a rear jersey pocket.

Tell us some more about the technical aspects of the product?

*Alloy body

*120psi/8bar max pressure

*Presta and Schrader compatible

*Extractable hose

*Thumb lock

Rate the product for quality of construction:
Rate the product for performance:
Rate the product for durability:
Rate the product for weight, if applicable:
Rate the product for comfort, if applicable:
Rate the product for value:

Tell us how the product performed overall when used for its designed purpose

It does the job and at the end of the day that's the whole point.

Tell us what you particularly liked about the product

Secure valve connection.

Tell us what you particularly disliked about the product

Pinching my skin between plastic handle and barrel - best to wear your mitts.

Did you enjoy using the product? Yes

Would you consider buying the product? Yes

Would you recommend the product to a friend? Yes

Anything further to say about the product in conclusion?

It's a brilliant little pump that delivers highly on performance for such a cheap price.

Overall rating: 9/10

About the tester

Age: 36  Height: 180cm  Weight: 76kg

I usually ride: Kinesis T2  My best bike is: Mason Definition

I've been riding for: 10-20 years  I ride: Every day  I would class myself as: Expert

I regularly do the following types of riding: time trialling, commuting, club rides, sportives, fixed/singlespeed


Stu knocked out his first road.cc review back in 2009 and since then he's chucked the best part of seventy test bikes around the West Country, a couple of them quite literally! With three alloy and two steel bikes in his fleet he's definitely a metal man (that'll be the engineering background) but is slowly warming to that modern carbon fibre stuff along with fat tyres & disc brakes.
It's not all nostalgia though, after spending the last few years in product design Stu keeps banging on about how 3D printing is going to be the next big thing and he's a sucker for a beautiful paint job too.


Nick0 [181 posts] 4 years ago

What are it's dimensions please ?

stuke [335 posts] 4 years ago
1 like
Nick0 wrote:

What are it's dimensions please ?

length - 220mm
extended length - 370mm
extended length plus hose - 510mm
handle length - 90mm

body diameter - 20mm
handle diameter - 25mm