Tubeless valves, tape, sealant

The original and still the best tubeless valve stem for most rims.

Whether you’re a beginner, expert, or somewhere in-between you will benefit from its proven ability seal faster and bigger punctures.

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.