Challenge Tire

Smart Tubeless Sealant 250ml/8.5oz

Challenge Smart Tubeless Sealant delivers reliable protection for every ride, keeping flats from slowing you down and performance at its peak. Designed to work seamlessly with both vulcanized and handmade TLR or tubeless tires, this sealant is the smart choice for riders who demand speed, control, and peace of mind on any surface.

Its non-allergenic, ammonia-free formula seals punctures up to 6mm and stays liquid inside the tire for up to six months, so you spend more time riding and less time worrying about maintenance. Unlike other sealants, it won’t coagulate when used with CO₂ cartridges and is gentle on rims and tire casings even with long-term use.

• Compatible with all TLR and tubeless tires – Works with both vulcanized and handmade constructions.
• Seals cuts up to 6mm – Keeps you rolling through the unexpected.
• Ammonia-free and non-allergenic – Safe for riders, rims, and tires.
• Long-lasting performance – Remains liquid for up to 6 months.
• CO₂-friendly formula – Won’t clump or coagulate under pressure.

For riders who prefer precision and reliability over gimmicks, the Challenge Smart Tubeless Sealant 250ml/8.5oz is the quiet, dependable hero that keeps tires airtight and adventures uninterrupted.