existence, but it doesn't have to be so bad. Slime Self-Sealing Inner Tubes provide an extra level of protection against punctures.

butyl rubber in the tread area tapering to 2mm sidewalls.

riding a mixed wheel size mullet bike? Can’t decide to bring a 27.5” or 29” spare? Or do you just want to be a trail hero saving others with your versatile tube ...

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 least expensive way to ditch 40+ grams of rotating weight. A patented, oversized 4.8cm valve base prevents tearing, while a partially threaded valve stem provides a clean interface with pumps. Specialized's ...