Specifications

Tube Size

1. Dimensions:

   • 700 x 40c/45c/48c
     • Designed for 700c wheels, typically used on hybrid, touring, and gravel bikes.
     • 40c Width: Offers balanced performance for light off-road and urban environments.
     • 45c Width: Wider than standard, providing additional stability and comfort for mixed terrain.
     • 48c Width: Ideal for heavy-duty applications, such as loaded touring or rougher trails.

2. Application:

   • Specifically suited for hybrid and gravel bikes, trekking setups, and urban commuting, where enhanced grip and comfort are key.

Valve Details

1. Valve Type:

   • Schrader Valve
     • Commonly referred to as a “car valve,” it is versatile, robust, and compatible with standard air pumps at gas stations and bike shops.

2. Valve Length:

   • 33mm
     • Standard length designed for most rim profiles, ensuring easy access for inflation.

3. Valve Core:

   • Removable
     • Facilitates easy valve maintenance, cleaning, or replacement. This feature also allows for the use of tire sealants in tubeless-ready setups.

4. Valve Stem:

   • Smooth Stem
     • A streamlined design ensures compatibility with most pumps and reduces wear on the valve hole in the rim.

5. Valve Angle:

   • 0 Degrees (Straight)
     • Direct and simple connection with pump heads for effortless inflation.

Material and Construction

1. Material:

   • Premium Rubber
     • Durable and elastic material known for superior air retention, ozone resistance, and temperature durability.

2. Wall Thickness:

   • Standard Thickness
     • Ensures optimal balance between flexibility, puncture resistance, and lightweight performance.

3. Construction:

   • Seamless Design
     • Minimizes weak points for consistent performance and resistance to blowouts or punctures.

Performance Features

1. Tire Compatibility:

   • Compatible with a range of tire widths for diverse riding conditions:
     • 40c: Ideal inflation range of 40–60 PSI for mixed surfaces.
     • 45c: Optimal inflation range of 35–55 PSI for additional cushioning.
     • 48c: Suggested inflation range of 30–50 PSI, enhancing comfort and grip on rugged paths.

2. Air Retention:

   • The use of rubber ensures excellent air retention, reducing the need for frequent inflations.

3. Puncture Resistance:

   • Standard thickness provides good puncture resistance for everyday use, making it dependable for urban and off-road applications.

4. Flexibility:

   • The tube adapts to varying tire widths, ensuring an optimal fit without overstretching or bunching.

5. Temperature Resilience:

   • Performs effectively across a wide range of temperatures, suitable for all-weather cycling.

Design Features

1. Valve Design:

   • Schrader Valve: Easy to inflate and compatible with a wide range of pumps. Its durable construction makes it ideal for long-term use.

2. Smooth Valve Stem:

   • Prevents abrasion against the valve hole in the rim, reducing the risk of damage over time.

3. Durability:

   • Constructed from high-quality rubber to resist wear, tear, and environmental factors.

4. Compatibility:

   • Designed for hybrid, trekking, and gravel bikes that require wider tires for enhanced traction and comfort.

Brand Information

1. Brand:

   • Duro
     • A leading manufacturer of bicycle tubes and tires, known for their reliable and durable products suitable for various cycling needs.

2. Reputation:

   • Duro is widely trusted for producing high-performance tubes and tires that meet the demands of both casual riders and professionals.