Mr. Stubby™ is a unique solution to a long standing problem. Designed to be more than a cheap adapter, Mr. Stubby™ converts any stem with a removable Presta valve core to a Schrader valve -- allowing riders to fill air at a gas station and check air pressure with a reliable product. Mr. Stubby™ is made to work with any standard pressure gauge. Made in the U.S.A from high quality alloy. Each Mr. Stubby weighs 2.65 grams.
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