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About this item

• 2 Pack
• Screws into tubular tires
• Screws into inner tubes with replaceable valve core
• Presta valve

Simple and effective 20mm, 30mm, 40mm or 60mm valve extenders. To install, remove your existing valve core, thread it the end of the extender, then thread your extender on to the existing valve you want to extend. Piece of cake! Uses existing valve cores Steel construction Easy installation