Schwalbe
Schwalbe SV21 - 27.5 x 1.50 - 2.40" (650B) Presta Tube - 40mm
$18.00
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Extremely airtight! The Butyl rubber compound prevents pressure loss and fewer occassions to inflate. Extremely reliable! Quality control for safer cycling: Each tube is checked twice at the factory to ensure safer cycling. Having the correct pressure means fewer punctures and reduced rolling resistance
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