Maxxis Welterweight Tubes are crafted for aggressive riders seeking durability and reliability without the extra weight of downhill models. Featuring a 0.80mm wall thickness, these tubes deliver excellent puncture resistance for challenging rides. Constructed from robust butyl rubber and equipped with a removable valve core and metal valve stem, they offer a perfect blend of strength, performance, and convenience. Keep a few spares for peace of mind on your next adventure.