the best performing, self-sealing bicycle tubes available on the market. That's because they feature Specialized's powerful Airlock sealant that coats the tube for permanent protection against punctures. Not only this, but the ...

the best performing, self-sealing bicycle tubes available on the market. That's because they feature Specialized's powerful Airlock sealant that coats the tube for permanent protection against punctures. Not only this, but the ...

featuring a schrader valve of 35mm length. This tube is commonly used on kids bikes and other non-bicycle applications like strollers/joggers, golf caddies and more.

Tube with Schrader Valve. This tube features an extra thick 2.1/4.1mm wall for increased puncture resistance compared to a standard tube.

featuring a schrader valve stem. This tube utilizes a .9mm wall thickness and a factory installed liquid sealant to help seal punctures that may occur during a ride.