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Don't get ready for blast off. Get a handle of the pressure with Topeak's upcoming $44.95 Airbooster_G2 Co2 inflator with built-in pressure gauge. © A. Yee / Cyclocross Magazine

Don’t get ready for blast off. Get a handle of the pressure with Topeak’s upcoming $44.95 Airbooster_G2 Co2 inflator with built-in pressure gauge. © A. Yee / Cyclocross Magazine