Challenge Sealant

High performance tubeless systems deserve high performance tubeless sealant. The SMART Sealant was designed to work with both vulcanized and handmade TLR and Tubeless tires. This non-allergenic, ammonia free formula can seal up to 6mm cuts, remains liquid in the tire for up to 6 months, doesn't coagulate with Co2 use, and doesn't damage rims or tires with extended use. Installation is straightforward using the application tip and there is no need to shake he bottle. Available in a 250ml/8.5oz bottle. Seals up to 6mm cuts

Doesn't damage rims or tires

No need to shake

Remains liquid in the tire for ~ 6 months

Keep adding as needed through valve

Doesn't coagulate with Co2 use

Non-allergenic