Ample Package: each package includes 12 pieces of bike tubes; Whether you are an avid biker or own a bike renting service, this package size meets your needs; The tubes are easy to install and inflate; This ample supply ensures that you'll always have spare tubes on hand for quick replacement on the go or at home Quality Butyl Rubber Material: the bicycle tubes are made out of butyl rubber; This quality material ensures good resistance against punctures and leaks; The rubber offers high reliability, able to withstand tough terrains and prolonged use without compromising performance; This is the quality you seek when have long distance biking adventures Just the Right Size: with the size measuring at about 700 x 20/ 25 C, the inner tube for bicycle tire is ideal for versatile use; It is compatible with the F/V-60 valves and works with tires in the width range of 18 to 20 inches; This makes these tubes a nice fit for most bikes Enhanced Riding Experience: due to the quality rubber, the bicycle tube provides a smooth ride, absorbing shocks and bumps on the road; This crucial feature will transform your biking experience, adding to the comfort of your ride Practical Gifts: the inner tube makes a practical gift for bike enthusiasts, friends, relatives, colleagues, classmates and neighbors in your life; Show your thoughtful side by gifting something practical and useful
Features:
The bike inner tube can be gifted for your loved ones and family members, colleagues to enhance the relationship with them and express your kindness and appreciate.
Offering nice driving experiences, these road bike tubes contribute to a smoother, more comfortable ride. The quality butyl rubber material reduce the impact from road bumps, ensuring less vibration and more comfort.

Specifications:
Material: butyl rubber
Color: mainly black
Size: about 700 x 20/ 25 C

Package includes:
12 x Bike inner tubes

Notes:
Manual measurement, please allow slight errors on size.
The color may exist a slight difference due to different screen displays.
Winding risk may exist, please keep away from little kids.