Specifications

Tube Size

1. Dimensions:

   • 700 x 40c/45c/48c
     • Designed for 700c wheels, the standard size for gravel, hybrid, touring, and adventure bikes.
     • 40c Width: Offers a balance of rolling efficiency and comfort, suitable for mixed-terrain use.
     • 45c Width: Provides enhanced grip and stability for riders navigating gravel paths or rough urban roads.
     • 48c Width: Maximizes comfort and traction, ideal for bikepacking and off-road adventures.

2. Application:

   • Engineered for hybrid, trekking, and gravel bikes, excelling in durability and versatility for wide tire profiles.

Valve Details

1. Valve Type:

   • Presta Valve
     • A lightweight and slim design preferred for high-performance bikes and deeper rim profiles.

2. Valve Length:

   • 48mm
     • Compatible with standard rim depths, allowing convenient inflation without requiring an extender.

3. Valve Core:

   • Non-Removable Core
     • Fixed design that ensures consistent performance and reliability for regular inflation needs.

4. Valve Stem:

   • Threaded Stem
     • Provides a secure grip for the pump head and prevents slipping during inflation.

5. Valve Angle:

   • 0 Degrees (Straight)
     • Simplifies alignment with pump heads, ensuring smooth and efficient inflation.

Material and Construction

1. Material:

   • Premium Rubber
     • Offers excellent elasticity, air retention, and resistance to environmental factors like ozone and UV exposure.

2. Wall Thickness:

   • Standard Thickness
     • Balances durability with weight, providing sufficient protection from punctures without compromising ride quality.

3. Construction:

   • Seamless Design
     • Reduces the likelihood of weak points, enhancing the tube's overall structural integrity.

Performance Features

1. Tire Compatibility:

   • Supports tires with widths ranging from 40c to 48c, ensuring optimal fit and performance:
     • 40c Tires: Recommended pressure range of 40–60 PSI, suitable for speed and moderate comfort.
     • 45c Tires: Optimal pressure of 35–55 PSI, offering enhanced cushioning for gravel and trails.
     • 48c Tires: Ideal pressure of 30–50 PSI, prioritizing maximum shock absorption and grip for rough surfaces.

2. Air Retention:

   • The rubber material provides consistent air retention, reducing the need for frequent reinflation.

3. Puncture Resistance:

   • Durable rubber construction withstands minor punctures, extending the lifespan of the tube in rugged conditions.

4. Temperature Resilience:

   • Performs reliably across diverse temperature ranges, from hot summer roads to cold winter trails.

5. Versatility:

   • Suitable for urban commuting, gravel riding, and light touring.

Design Features

1. Threaded Valve Stem:

   • The textured surface ensures secure attachment of the pump head and compatibility with valve nuts for added stability.

2. Standard Presta Design:

   • Slim profile minimizes weight and enhances aerodynamics, making it a popular choice for performance-focused riders.

3. Seamless Tube Construction:

   • Uniform wall thickness ensures even air retention and reduces the risk of weak spots or blowouts.

Brand Information

1. Brand:

   • Duro
     • A trusted manufacturer renowned for producing high-quality bicycle components that emphasize durability, performance, and affordability.

2. Reputation:

   • Preferred by recreational cyclists and enthusiasts for consistent quality and reliability across diverse riding conditions.