Features: Professional Brass Presta Valve Core: Crafted from quality brass, this Presta valve core ensures durability and reliable performance for road bikes, effectively preventing leakage and maintaining optimal tire pressure for a smooth ride. Leak-Proof Valve Core For Road Bike: Designed with precision engineering, this valve core provides a secure sealing to prevent air leaks, making it ideal for road bikes and ensuring consistent tire pressure during long rides. Universal Presta Valve Core Converter: Compatible with various models of bike tires, this versatile Presta valve core converter allows easy adaptation between different valve types, offering convenience and flexibility for cyclists. Durable Brass Bike Tires Air Valve Core: Built to last, this brass valve core resists corrosion and wear, providing long-term reliability for your bike tires while effectively preventing air leakage for a hassle-free cycling experience. Versatile Application: Suitable for various models of bike tires, including hybrid and mountain bikes, this valve core offers broad compatibility and dependable performance. Specifications: Material: Brass Length: 2.6cm Note: Due to the screen lighting effect, the actual color of the product may be slightly different. Due to manual measurement, please allow size error. Include: 1*Valve Core