21Pcs Professional Brass Presta Valve Core & Stem - Leak-Proof Valve cores and Remover Tool Universal for Tubeless Road/MTB Bike Tires (Upgrade)

21Pcs Professional Brass Presta Valve Core & Stem - Leak-Proof Valve cores and Remover Tool Universal for Tubeless Road/MTB Bike Tires (Upgrade)

• EXCELLENT AIR TIGHTNESS: Enhanced seal, triple-thread precision design outperforms industry leakage standards, our presta valve cores are engineered to provide exceptional air tightness, effectively preventing air leaks and maintaining optimal tire pressure.
• DURABLE AND STURDY: Crafted from durable brass and alloy, our valve cores are designed to withstand the rigors of everyday cycling, ensuring long lasting performance and reliability.
• UNIVERSALLY COMPATIBLE: Our bicycle valve cores are compatible with Stan's, Vittoria, Continental, Kenda, Bontrager and many other tubeless valve stems; Whether you have a road bike or mountain bike, these valve cores will fit seamlessly.
• EASY TO INSTALL: Use pliers or valve removal tool to screw onto presta valve stem, no longer need to worry about bicycle tires, so that you can ride your bicycle with ease and pleasure when outing trip or match with your friends.
• WHAT YOU GET: 21 pieces high quality presta valve cores and and Valve Core Remover Tool, enough for your bicycle, you can also share them with your family and friends, make your riding more secure.