A standard Schwalbe tube holds air considerably longer. Due to the purity of the rubber compound and the uniform wall thickness.
Reduced weight. Same reliability as the standard version. Not available in all sizes.
Extremely light. Only for a very few sizes.
Large volume. Low Weight.
Extremely robust. A reinforced rubber base protects against the dreaded valve shear off. Only in Downhill sizes. If you want large volume with low weight, choose Extralight.
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