Specifications:

• Size:

  • Fits 20-inch tires with a width of 1-1/8 inches.
  • Designed specifically for 20-inch wheels, this tube is commonly used in racing bikes, road bikes, and performance bicycles with narrow tires.

• Valve Type:

  • Schrader Valve (commonly known as the "car valve"):
    • Schrader valves are the same type found on car tires, making them compatible with most standard air pumps.
    • Known for their robustness, Schrader valves are ideal for general-purpose and heavy-duty applications.

• Valve Length:

  • 33mm:
    • A standard valve length suitable for rims commonly found on 20-inch bikes, ensuring that the valve protrudes enough for convenient inflation.

• Valve Core:

  • Removable Valve Core:
    • This tube features a removable core, allowing for easier application of tire sealants or replacement of the core in case of damage.

• Valve Stem:

  • Smooth Valve Stem:
    • The smooth, non-threaded stem provides a clean design while still fitting securely into the valve hole of the rim.
    • Smooth stems reduce wear and tear on the rim hole, ensuring longevity of both the valve and the rim.

• Valve Angle:

  • 0° (Straight Valve):
    • The valve stem is positioned straight (0°), extending perpendicular to the tube for compatibility with most standard rims.

• Brand:

  • Duro:
    • Renowned for its durable and high-quality bicycle components, Duro manufactures products that offer reliable performance for a variety of cycling needs.

Key Features:

1. Universal Compatibility:

   • The tube fits 20-inch tires with a width of 1-1/8 inches, commonly used on lightweight and performance-oriented bicycles.

2. Standard Schrader Valve:

   • Easy to use with standard air pumps, including those at gas stations or portable bike pumps.
   • Robust design ensures durability in a wide range of cycling conditions.

3. Removable Valve Core:

   • The removable core provides flexibility for adding tire sealant or replacing the core if damaged.
   • This feature enhances the versatility and lifespan of the tube.

4. Rubber Construction:

   • Made from premium rubber, known for its excellent air retention and durability.
   • Resistant to environmental conditions like UV rays and temperature fluctuations.

Performance Details:

• Air Retention:

  • The Schrader valve design, combined with high-quality rubber, ensures long-lasting air retention, reducing the need for frequent re-inflation.

• Durability:

  • Designed for everyday use, the tube can withstand the demands of road cycling, providing consistent performance over time.
  • The removable valve core adds an extra layer of repairability, extending the lifespan of the tube.

• Ease of Inflation:

  • The 33mm valve length ensures compatibility with most pumps, including those with a universal nozzle or dedicated Schrader valve attachments.
  • The straight valve stem design makes it straightforward to inflate, even for rims with limited access.

Applications:

• 20-Inch Bicycles:

  • Specifically designed for use with 20-inch wheels and narrow 1-1/8-inch tires, making it ideal for racing bikes, folding bikes, and road bikes.

• Everyday and Performance Use:

  • Suitable for both casual riders and competitive cyclists looking for reliable, durable inner tubes.