At0.45mm thin, flyweight inner tubes are the lightest butyl tubes known to mankind. Acceleration is increased because rotational weight is decreased. Flyweight tubes are packaged with a unique cloth rim strip to be used only with flyweight tubes.
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If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.More information on returns