Lezyne Pressure Over Drive

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Lezyne Pressure Over Drive

Innovative floor pump with an integrated system designed to seat tubeless tires. A secondary chamber can be manually pressurized and the stainless steel foot-lever releases the compressed air. This discharges a strong, continued blast of air that quickly seats tubeless systems. Accurate analog gauge. Durable steel and aluminum construction with a stylish wood handle. Extra-long, nylon-reinforced braided hose. Presta and Schrader compatible ABS1 Pro chuck.

When using the Pressure Over Drive as a regular pump, the air has to fill the chamber before it will start to fill an empty tire/tube. This may take numerous strokes before the tire/tube begins to inflate. When topping off a tube/tire that already has pressure in it, the chamber will have to reach the same pressure the tire/tube is at first before it will begin to inflate it further.