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Standard butyl tube. Tough 1mm wall thickness for compatibility with a wide range of applications. 35mm length shrader valve.
NOTE: This is not a standard 20" tube and is designed to fit ETRTO sizes 438/451 and tire widths 28-44 found on older bikes, some racing BMX bikes, and some folding bikes.
Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
US$40
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