Title: Does not work on draw stroke!
Product review: This pump looks very sophisticated with very original piston / plunger design. When it comes to mating with the Schrader valve the rubber well is too shallow to accomodate this valve so no effective tight seal is formed aroud the valveMore importantly with any type of valve, it does not allow to draw the air back in on a draw stroke . No internal draw valve?Bottomline: totally useless!!!!!
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