The first tubeless sealant in the world, formulated by the founder Stan in 2001 and still the number one choice of riders today. Recommended for all-around use, compatible with all tubeless road, gravel, and mountain bike tyres The Original formula is the best choice for providing reliable puncture sealant performance over a 2-7 month period, however arid conditions may require more frequent monitoring of liquid sealant levels. Anti-freezing agents allow for use in temperatures down to -20ºF. One litre of Stan’s Original Tyre Sealant can seal up to 16 tyres Features The world’s first tubeless sealant and the first choice of riders today. Recommended for all-around use, compatible with all tubeless road, gravel, and mountain bike tyres. Seals punctures up to 6.5mm (¼”). Compatible with valve installation using Stan’s Tubeless Sealant Injector. Remains liquid inside tyres for 2-7 months for long-lasting protection.