Average Reviews:
(More customer reviews)I used this item for the first time today. It did the job, but just barely. I'm not too sure it will work a second time, though.
First, it's a rather compact unit, which is why I bought it... smaller than most.
Second, the dual use design is novel, although flawed.
The CO2 screws into the end and seals really well. The valve port doesn't seal so well, though. I had to hold very, very, very tight pressure against the valve to help minimize leakage while trying to release the CO2 pressure into the tire.
At this point I had already decided that I didn't like the pump, but the pain didn't stop there.
Because a good portion of the CO2 leaked past the O-Ring in the port for the Presta valve, the tire did not get fully inflated. I barely got 75 psi in it. Being on the road and a few hours away from the final destination, this would not work. This is where the novel idea of this pump comes in handy.
After the cartridge is empty, you simply start pumping the handle to finish airing up the tire. Sounds easy, right? It's not. (Hint: do not remove the CO2 cartridge, or you will have to try to hold a finger over the end of the pump to prevent all the air from leaking out that port.) That port needs a better check valve built into it so that you can use this pump without the cartridge in place.
Due to the compactness of this pump, it must have taken me about 1000 pumps to get the tire up to 120 psi. Being slowed down by the added weight of a bigger pump could actually save several minutes during a race over wasting your time trying to force air through this thing.
The final straw was the second time I pulled the pump off the valve to check the pressure. Several chunks of the O-ring came out with the valve. Any sealing problems I had before were now compounded by the fact that the O-ring was falling apart.
If you have this pump, consider it an emergency item only. If you don't have this pump, carefully consider other options first.
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The Roadies spoke, and we listened. This inflator is made for Presta valves only. It can be used as an instant/controllable CO2 inflator or high pressure hand pump capable of reaching a pressure of 130 PSI. At 7\'\' this inflator is short and sweet and guaranteed to get you back on the road in seconds! Works with Genuine Innovations 12 or 16 gram threaded CO2 cartridges ONLY. Comes with one Genuine Innovations 16g threaded CO2 and bottle cage pump mount.
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