Specialized Airlock Self-Sealing Tube

Specialized Airlock Self-Sealing Tube
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This item may only be picked up in person at one of our retail locations. We cannot ship this item.


Because it's hard to know when you're going to get a flat, it's always good to have extra tubes on hand. Specialized's Airlock Self-Sealing Tube seals small punctures so you can keep riding.

Schrader valves are identical to those found on car tires. These valves are generally used on hybrid and children's bikes. Presta valves, which are found on most road and off-road bikes, are longer and thinner and feature a threaded tip, which must be opened to inflate (turn counterclockwise).

Part Numbers

Option UPC MPN Store SKU
Schrader Valve / 20 x 1.5-2.3 888818288182 03418-0020
Presta Valve / 700 x 28-38c 719676283098 0303-0506
Schrader Valve / 700 x 28-38c 719676283111 0303-1506
Presta Valve / 700 x 32-50c 719676046464 03015-0508
Schrader Valve / 700 x 32-50c 719676046969 03015-1508
Schrader Valve / 24 x 1.5-2.3 888818288168 03418-0024
Presta Valve / 26 x 1.5-2.2 719676283128 0313-0523 18711
Schrader Valve / 26 x 1.5-2.2 719676283135 0313-1523
Presta Valve / 29 x1.9-2.3 719676945705 0311-0500
Schrader Valve / 29 x1.9-2.3 719676945729 0311-1500
Presta Valve / 650B x 1.75-2.4 888818024100 03115-0514


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  • Valve not seated 


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Would not buy this again


from Columbia, Missouri

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  • Valve not seated

Best Uses


If the tire/tube goes almost completely flat, they are hard to fill with a conventional floor pump without a seated valve.

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