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Specialized sv tr airlock tube black 20 x 1.5-2.3

Specialized sv tr airlock tube black 20 x 1.5-2.3

In Stock
Retail Price $16.00
Shipping calculated at checkout.

Product Features

Nothing in the cycling world is more infuriating than flat tires. We get it, because we get them just like you. But with our Desert Protection Schrader Valve Tubes, you can minimize, if not eliminate, flats at the terrible hands of debris, thorns, or whatever else is halting your rides.

Starting at the basis of the construction, we designed the tube to be thicker at the outer side, the part against the tire, in order to stop pesky bits from puncturing all the way through the tube. We then make the inner side, the part against the rim, thinner in order to reduce weight. This way, you dont have to sacrifice performance in the name of protection. We didnt stop there, however, as these tubes also feature our Airlock sealant that coats the tube for permanent protection against punctures. Not only this, but the sealant is designed to work continuously in order to prevent slow leaks from occurring, so erring complete catastrophe, you wont have to worry about flatting when youre riding over debris. We even addressed the common issue of sealant pooling with a completely homogenous design, so the tire/tube combo will always roll smooth and even.


  • Designed to work continuously in order to prevent slow leaks.
  • Homogenous design prevents puddles with no need to shake.
  • Non-toxic, non-separating formula will last the life of your tube.
  • Sealant coats the tube for permanent protection against punctures.
  • Thicker construction on the outer side (against the tire) enhances puncture protection.
  • Thinner construction on the inner side (against the rim) maximizes weight savings.
  • Will not dry out like the many other sealants.
  • Shipping & Returns

    We offer a variety of shipping options based on the delivery location. Once you add items to your cart and enter a shipping address, you’ll see eligible options with pricing and estimated delivery dates. See below for frequently asked questions.

    Depending on the product shipping can take up to two-weeks? Please call if you need an item by a specific date as some of our products like bikes could be at different warehouse locations.


    Do you offer free shipping?
    Most orders over $50 ship free to the continental U.S. See our Free Shipping page for more information.  


    Do you ship internationally?
    Yes! Check out our International Shipping page for details.


    Can I pickup my order from one of Goodwynns stores?
    We offer in-store pickup at all our U.S. Store Locations. See more information on our In-store Pickups page.


    How quickly will my items ship?
    If your order is placed by 1pm (PT) Monday – Friday and you’ve selected an expedited (i.e. paid) shipping method, your items will ship same day if they’re in stock and ready to ship.

    Most other items ship within 1-2 business days. However, some products (e.g. bikes) require additional handling time up to 5 business days.


    How long will it take to receive my items?
    Shipping times vary based on delivery address and the shipping method selected in checkout.

    Once you add items to your cart and enter a shipping address, you can see estimated delivery dates by shipping method. After you’ve purchased, you can see the estimated delivery date on your order confirmation email.

    After your order has shipped, you can track your order via the tracking # provided in your shipping confirmation email and in your Order History.


    Can I use a package forwarder?
    Yes, but please be aware that Goodwynns and our partners cannot be held liable for damage that may occur after the items are delivered to the shipping address provided at the time of purchase.


    Does Goodwynns ship to PO boxes, APO, and FPO addresses?
    We happily ship to PO boxes, APO, and FPO addresses. However, shipping to these addresses can increase delivery time (up to 8 weeks in some cases) and free shipping offers do not apply.  Please note, products with lithium batteries cannot be shipped to APO/FPO addresses. 

    We can also ship to 3rd party boxes. Simply provide the address and box number when placing your order.


    How are larger items like skis, surfboards, and bikes shipped?
    Some products require special processing and shipping arrangements due to their large size. Pricing is set by product type and shipping service required.

    See our Freight and Oversized page for details.


    Do all brands ship outside the U.S.?
    Unfortunately, Goodwynns is unable to ship all products outside of the United States due to contractual restrictions. See all items that ship to Canada and Worldwide.  


    Do you require a signature for delivery?
    Most shipments are delivered without requiring a signature. Please Contact Us to request that a signature be required.

    Still need help? Contact Us

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