SAMIKIVA Red (5 Pack) + Purple (5 Pack) Bike Presta Valve Stem Caps： PROTECT - Cover your valves to prevent damage to the presta valve core. UPGRADE - Replace your worn plastic caps with strong metal caps. ULTRA-LIGHT + EASY TO INSTALL - Screw on the presta stem of your road fixie hybrid MTB 29er trail Fat bike. ENOUGH to SHARE - 10 PACK, enough sharing to your friends and trip partners, enjoy your life! BEST AFTER-SALES - Your satisfaction is our first priority, If have any question, free to contact us, we will solve it at once! Specifications: Quantity: 10 pack Material: Alloy Color: red + purple Size: 17 x 6 mm/ 0.67 x 0.24 inch Package includes: 10 x SAMIKIVA Presta Valve Caps