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Topeak Pocket Rocket Master Blaster Bike Pump
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- Used by both professional and amateur riders alike
- Made using high quality materials and components
- Tested to ensure quality and durability
- Lightweight, Presta/Schrader compatible bike pump with frame mount included
- 160 psi capacity; pump weighs 4.05 ounces and measures 8.7 by 1.7 by 1.0 inches
- Soft Kraton head and plastic handle for increased grip
- Integrated dust cap keeps head clean and ready to use
- Durable butted aluminum barrel and aluminum thumb lock
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From the manufacturer
Side mount bracket
Lightweight mini pump with alloy barrel for roadies. Soft dual density polymer head and plastic handle for increased grip and comfort while pumping. Efficient design pumps to 160 psi.
At Topeak, exciting new ideas for accessories are spinning at full speed and driving us ahead in a never ending cycle of innovation. From the dreams of our designers and engineers great cycling accessories are born - spun out from the ever turning gears of their collective imagination. From our humble beginning in 1991 our passion for cycling has evolved into the making of the worlds finest cycling accessories. In almost every category, our products set the standard of innovation, performance and durability. Products like our JoeBlow series floor pumps, Alien tools and RaceRocket mini pumps to our patented technologies like SmartHead, TwinHead, PressureRite, QuickTrack and QuickClick systems to the full service PrepStation and PanoBike App Topeak delivers the convenience and enjoyment your cycling customers deserve. Products
The Pocket Rocket Master Blaster from Topeak is a lightweight mini pump designed for road use, with an efficient design that pumps to 160 psi. Weighing in at just 4.05 ounces, the Pocket Rocket features alloy barrel construction with a soft Kraton head and plastic handle for a secure grip as you pump. Road-ready, the Pocket Rocket has an integrated dust cap that keeps the head clean and ready. The Pocket Rocket mounts easily to your bike frame with a mounting bracket and is both Schrader and Presta compatible.
- Capacity: 160 psi / 11 bar
- Size: 8.7 by 1.7 by 1.0 inches / 22.2 x 4.2 x 2.5 centimeter (LxWxH)
- Weight: 115 grams / 4.05 ounces
- Head: Presta/Schrader/Dunlop with Integrated Dust Cap
- Barrel: Butted Aluminum
- Thumb Lock: Aluminum
- Handle: Plastic
- Added Features: Kraton Head
- Mounting Bracket
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How to switch the default configuration from a Presta valve to a Shrader valve on the top peak Pocket Rocket mini pump.
I gave this pump a two star despite the bad design that is shared by many frame mounted mini pumps, which can easily bend a Presta valve. The bottom line is that such a bend does not seem to cause any air leak. And it might be possible for some one who is skilled to avoid such bending problem. If so, it would be nice to have some instructions on the package of the product that illustrates the correct way of using it.
General observations: this pump is very well constructed with mostly metal components, even the flip lever is made of metal. Very compact, fits right under the bottle cage. Right out of the box,it comes ready for duty on the narrow Presta tires. To use on schrader (i.e. Fat tires) you need to follow the simple diagram on the package to reverse the valve head components.
To use the pump, you give the handle a slight turn clockwise to unlock it. Push the head firmly down on the valve ( it helps to have a thumb on the bottom of the tire bracing the tire valve for support), then flip the lever UP and begin pumping. After done pumping, flip lever DOWN and pull the head off the tire valve ( it does require a GOOD tug to release.)
Road Bike: On my 700 x 25C tire bike, it worked pretty well. I keep these tires pumped to about 100-110 psi. With the tire deflated to 0 psi, it took me about 4 minutes to pump to about 80 psi. I would give it 5 stars here.
Mountain Bike: on my 27" x 2.00" tire bike, I usually like to keep these pumped to 50-55 psi. With the tire deflated to 0 psi, it took me about 10 minutes to pump to just barely 40 psi. These tires require more volume of air, and this pump is just barely adequate for the job here. Good enough to keep you rolling again after some effort. Three stars here..
Since the spare pumps on both my bikes gave out recently, I ordered 2 of these: Kept one for the Road bike, send the other one back.
Here are a few key facts about this pump:
1. Is it light? It weighs only about 5 oz, so it does not add much weigh at all. It comes with a bracket that mounts to the bike frame under the bottle cage, and the pump can be secured onto the bracket without it coming loose during even a bumpy ride (see picture).
2;. Is it sturdy? The construction of the pump seems to be solid. The shaft is the piece that is under the greatest pressure when you push. On this pump, the shaft is quite sturdy -- it did not flex or bend at all when pressure was applied. The diameter is just a little over 5/16 inch, but it seems to be made out of solid metal.
3. Does this fit both Presta and Schader valves? The pump comes in a configuration ready for a presta valve (which you'll find on most road bikes). Similar to most hand pumps, you push the pump onto the opened valve and lift the lever on the other end to lock. On the reviews, there were some confusion about whether this accepts a schrader valve too. The answer is yes, it can accept both. The instructions for how to convert from the presta configuration that the pump comes in to a schrader configuration is on the packaging of the pump (though in only pictorial form). Another reviewer has also posted a video on how to do this. Some reviewers commented on the lack of written instructions. It turns out that for products that are marketed in Europe this happens a lot -- they rely on pictures for instructions instead of words. (For most of my other bike equipment, they come with no written instructions either, so Topeak is not an exception.)
4. How many pumps does it need to inflate a tire? The answer to this depends heavily on what tires you have. Since I have only used this on a 700x25c road tire, I cannot speak to any other tire size. But about 80 pumps got me from 0 to approximately 60 psi. That may sound like a lot of pumping -- but it wasn't. The shaft is pretty short and the strokes pushed air into the tube fairly efficiently, so going up to 60 psi took very little effort. 60 psi is good enough to ride home after a puncture, so for my purpose, this pump more than serves the purpose, and I am quite happy with it. However, this would not be the pump of choice to get the tire up to the recommended 90+ psi normal pressure -- for that, you'll need a floor pump.
Finally, I paid for this purchase with my own money and was not compensated in any way for this review. Whenever I find a good product I give it an honest review as a service to the Amazon community. Thorough reviews help me make informed buying decisions, and I hope this one helps yours too.