Orange Seal Endurance Sealant Refill - 4oz.

Orange Seal Endurance Sealant Refill - 4oz. is built for riders who want fewer interruptions and longer intervals between top-offs. Designed to last two to three times longer than standard tubeless sealants, it handles punctures up to 1/4 inch and stays stable across a wide range of temperatures and altitudes.

The 4oz refill format keeps a ready supply on hand without committing to a full bottle every time. A straightforward choice for tubeless setups on road, gravel, or mountain bikes where long-lasting puncture protection matters more than a short-term fix.