Stans No Tubes needs no introduction. This brilliant sealant can be used with Tubeless set ups - we also sell it in the larger 1 Pint size. These smaller 2 oz bottles are perfect as puncture proofing in conventional set-ups with inner tubes. Simply remove the valve core, inject the sealant and off you go. One bottle per innertube. It definitely works well, we have customers who track race who totally trust it. Free Bristol and UK Delivery included in our pricing.