The first tubeless sealant in the world, formulated by 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 -20F. One litre of Stan’s Original Tyre Sealant can seal up to 16 tyres. For easy installation, use with the Stan’s Tubeless Sealant Injector. Just 60ml of Stan's in a converted standard tyre or tubeless tyre can repair punctures up to 1/4" almost instantly to keep you rolling. Longer-lasting Stan's Tyre Sealant is formulated to stay liquid in tyres with even thin casings for up to seven months. Arid conditions require more frequent monitoring of sealant levels, but anti-freezing agents in their special formula allow Stan's Tyre Sealant to be used in temperatures as cold as -20 F. One quart will convert up to 16 tyres.