The Product that Started a Tubeless Revolution. Inside this small 2 ounce bottle is a product that changed cycling. Today's tubeless systems rely on the lighter, more reliable, self-sealing performance of Stan's Tire Sealant.

Seals tears and holes up to 6mm

Stan's 21mm Rim Tape is recommended for rims with an internal width of 19-21mm. Our tape is air tight and non-pourous, super thin and will not affect tire fit, and does not leave a messy residue when it needs to be replaced.

Stan's has developed a proprietary sealant formula with close to twice the amount of their standard sealing crystals plus their special "XL" crystals capable of sealing even larger punctures. Stan's Race Sealant's combination of large and smaller sealing

The original and still the best tubeless valve stem for most rims and a perfect fit for all Stan’s BST rim models. Weighs 21g per valve. Durable brass construction. Removable valve core makes adding sealant easy. Fits up to 8mm valve hole. Sold as a pair.