A heavy duty replacement or spare for your gravel bike or commuter, the Giant Thorn Resistant Schrader Valve Tube is thicker at the contact area for extra protection against punctures. Maybe not infallible, but worth the extra weight if it saves you a few miles of walking or keeps you from having to change a flat in the pouring rain.
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Construction
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   Seamless Butyl Rubber
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Dimensions
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   Dual Wall Thickness–        2.1 mm walls with 4.1 mm thick perimeter strip.
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   Fits 700c wheels
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   Schrader valve
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-    Biking Type:    Urban/Commuter                       Â
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