Description MaXalami, Sealant, Wurstwasser 4tube, 250ml bottlee, For those who don't want to or can't make the switch to tubeless, MaXalami Wurstwasser 4tube is a highly effective water-based sealant suitable for both tubular and tubeless UST tires, an all-purpose product for city and touring riders and perfect for safety on your e-bike, during development, special attention was paid to reliability and durability. Once filled, MaXalami Wurstwasser 4tube lasts the life of the tube. Usually 60 to 100 ml per tire are enough to build up effective protection, any holes or porous tubes are sealed during the ride, a permanent and flexible plug is formed, MaXalami Wurstwasser 4tube contains no ammonia and is allergen-free.