• 49N standard butyl innertube with a 0.9mm wall thickness that represents excellent value-for-money and strikes a nice balance between weight and durability
• P/V Presta valve (French valve) with 48/60/80mm length options for a wide range of rim depth compatibility
• Automated hot-feed extrusion with hydraulic press-cured vulcanization for consistent, high-quality, reliable construction
• All tubes are inflated and stored for 24hrs to check for leaks/defects prior to being packaged
• Low-lead nickel-plated valve with a threaded valve and non-removable core