The Maxxis Welter Weight 27.5X1.50/1.75 is a premium butyl rubber inner tube featuring 0.80mm wall thickness, designed for trail riding, commuting, touring, gravel, and everyday cycling. This tube fits 27.5" wheels with tire widths ranging from 1.50" to 1.75", making it compatible with 27.5" cross-country and light trail mountain bikes. It comes equipped with a 48mm presta valve with removable valve core (rvc). The removable valve core allows injection of tire sealant for added puncture protection and enables easy valve core replacement if needed. Weighing just 144g, this tube delivers an excellent weight-to-durability ratio. The Welter Weight series is Maxxis' versatile all-around tube with 0.80mm walls, engineered to deliver superior puncture resistance for aggressive trail riding, daily commuting, and everything in between — the go-to choice for riders who need dependable flat protection without the bulk of a downhill tube. Maxxis tubes are manufactured in Taiwan using rigorous quality control standards, delivering consistent air retention and long-lasting durability ride after ride.