49N Standard Tube 18 x 1" - 1-3/8" P/V48

Standard butyl innertube with a 0.9 mm wall thickness that represents excellent value-for-money and strikes a nice balance between weight and durability.

• P/V Presta valve (French valve) with 48/60/80 mm length options for a wide range of rim depth compatibility
• Easily identifiable from the Red colour-coded box
• Automated hot-feed extrusion with hydraulic press-cured vulcanization for consistent, high-quality, reliable construction
• All tubes are inflated and stored for 24 hours to check for leaks/defects prior to being packaged
• Low-lead nickel-plated valve with a threaded valve and non-removable core