CO2 cartridges are fast, but frame pumps last forever. Don't get caught making that 'bail out' call to the wife because you ran out of air, be prepared with the Topeak Frame Pump. With a sleek aluminum frame, 160psi capacity, and available in 3 sizes, the Masterblaster is a must have in your training arsenal...and look on the bright side, you can give that atrophied upper body a workout. 

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