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    Our 40mm effective length threaded valve extensions include presta valves with removable core and allow deep section rims to be converted to tubeless use by way of external threads that secure a presta nut. 



    • CNC machined aluminium valve extension, 2 grams each

    • Rubber o-ring seals inside the valve to eliminate leaks

    • Adds 40mm of length to any removable core presta valve

    • Can be used with any removable core presta tube

    • Sold as a pair

    • Removable valve cores not included

    *Please note that our specifications may be impacted by running substitution changes, we highly recommend confirming the specifications of our products at the time of sale. *Recommended Retail Prices are subject to change without notice and may vary from store to store depending on freighting and assembly costs. Please read our Terms & Conditions

    *Giant & Liv Bicycles are available for purchase online, but due to warranty regulations, must be shipped to qualified Giant dealers, as bicycles must be assembled by a qualified bike mechanic in an approved store - This is an international policy and usually will require an additional fee to build the bike. This will be confirmed by one of our online staff after purchase of the bike.

    *Specialized Bicycles are available for home delivery nation wide.

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