Stan's No Tubes Race Sealant

• lose to twice the amount of sealing crystals plus special "XL" crystals capable of sealing even larger punctures.
• Combination of large and small sealing crystals interlock to form a lattice work that not only seals but strengthens and reinforces the area of the puncture allowing for an entirely new level of sealing performance
• Must be installed directly into the tire – cannot be injected through the valve

If you are installing tubeless tires for the first time, you will find this video on how to install tubeless tires helpful.