Stan's Race Day Tubeless MTB Tire Sealant - Premium Bike Tire Sealant for Mountain Biking, Cycling & Off-Road Adventures - Prevents Flat Tires & Punctures - Ideal for Trail Riding, Downhill & Enduro Racing

Product Description

• Close 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