Generic Bike Inner Tubes Durable Butyl Rubber with Improved Airtightness for Road Bike Cycling (14 * 1.75/2.125 inches)

• [AIRTIGHT AND DURABLE BUTYL RUBBER MATERIAL] ensures long-lasting performance in various conditions, from temperature changes to bumpy roads.
• [CONVENIENT SCHRADER AIR VALVE] eliminates the need for valve replacement, offering hassle-free usability for quick tire maintenance.
• [ENHANCED COMFORT AND SAFETY] with excellent vibration absorption on uneven terrains, providing a smooth and secure riding experience.
• [EASY INSTALLATION] allows for a quick swap of old inner tubes, saving time and effort while ensuring efficient tire repairs.
• [WIDE COMPATIBILITY] suitable for 12-18 inch wheels and 1.75-2.125-inch tires, making it ideal for road and mountain bike inner tube replacements.

1. [AIRTIGHT AND DURABLE BUTYL RUBBER MATERIAL] ensures long-lasting performance in various conditions, from temperature changes to bumpy roads. 2. [CONVENIENT SCHRADER AIR VALVE] eliminates the need for valve replacement, offering hassle-free usability for quick tire maintenance. 3. [ENHANCED COMFORT AND SAFETY] with excellent vibration absorption on uneven terrains, providing a smooth and secure riding experience. 4. [EASY INSTALLATION] allows for a quick swap of old inner tubes, saving time and effort while ensuring efficient tire repairs. 5. [WIDE COMPATIBILITY] suitable for 12-18 inch wheels and 1.75-2.125-inch tires, making it ideal for road and mountain bike inner tube replacements. Spec: Item Type: Bicycle Inner Tubes Material: Butyl Rubber Product Color: As Pictures Shown Product Weight: Approx. 145-180g / 5.1-6.3oz Valve Type: Schrader Valve Maximum Air Pressure: 8 Bar Standard Pressure: 20 Package List: 1 x Bike Inner Tubes Note: 1. Check the tire to see if there are any bad factors in the steel rim. 2. Correctly install the valve of the inner tube and expose the steel ring vertically. 3. Ensure that the inner tube is not pinched between the outer tube and the steel rim. 4. Inflate some air first to check whether the tire is pinched. 5. Inflation of the inner tube should meet the standard air pressure (see the words on the sidewall of the outer tire).