Aluminum

Product DescriptionRocRide Presta Valve Cores(Silver, 10 Pack) with Plastic Caps(Black, 10 Pack) and Basic Valve Core Tool(1).Kit Includes 10 Removable Presta Valve Cores and 10 Black Plastic Caps.RocRide Presta Valve Cores are Lightweight and are made with copper and nickel plating for long-lasting and durable performance.RocRide removable presta valve cores are a convenient way to add or replenish sealant to your tubeless tires or tubed tires with removable core presta valves.Save Time and Money. No more having to purchase replacement tubes when you have bent, leaking or broken valves. Simply unscrew the existing valve and replace it with a new RocRide presta valve core and plastic cap. Also, don?t forget to use the RocRide Presta Valve Core Removal Tool to make your job easy and effortless.Perfect to carry on your ride, especially for those unexpected emergency repairs on the trail or road as well as maintenance at home. Quickly replace valve cores that have become fouled with sealant or physically damaged without ever having to remove the tire or valve stem.Black Plastic Caps Included.Basic Presta Valve Core ToolIncluded basic presta valve core tool makes sure you have everything you need to get the job done. Just slide opening over the end of the valve and turn to tighten or loosen the valve core. Open end is a 5mm presta valve extender wrench.Convenient All-In-One KitRocRide Presta Valve Cores with Plastic Caps (10-Pack) comes with a convenient reusable case that holds all the items in the kit and easily fits in a pack or pouch.