Specifications

Tube Size

1. Dimensions:

   • 29 x 1.95/2.05/2.125
     • Designed for 29-inch wheels, common in mountain bikes, hybrids, and gravel bikes.
     • Width Range:
       • 1.95 inches: Provides less rolling resistance for smoother and faster rides.
       • 2.05 inches: A balanced width ideal for moderate off-road conditions.
       • 2.125 inches: Offers enhanced grip and shock absorption, suitable for rough terrains.

2. Application:

   • Compatible with mountain biking, trail riding, cross-country cycling, and commuting.
   • Pairs well with a range of tread patterns for versatile performance.

Valve Details

1. Valve Type:

   • Presta Valve (Also called "French Valve")
     • Slim and lightweight, commonly used for performance-oriented bicycles.
     • Suited for rims with smaller valve holes, providing a secure fit.

2. Valve Length:

   • 48mm
     • Accommodates medium-profile rims, ensuring ease of inflation and valve accessibility.

3. Valve Core:

   • Non-Removable Core
     • Streamlined design minimizes potential air leaks.
     • Simplifies maintenance with a sealed construction.

4. Valve Stem:

   • Threaded Stem
     • Ensures a secure fit with the use of a valve lockring, preventing movement during inflation or while riding.

5. Valve Angle:

   • 0 Degrees (Straight)
     • Standard straight valve design for compatibility with most Presta-specific pumps.

Material and Construction

1. Material:

   • Premium Rubber
     • Known for its elasticity and exceptional air retention.
     • Provides reliable performance and resistance to heat, ozone, and UV rays.

2. Wall Thickness:

   • Standard Thickness
     • Offers a balance between weight and durability for general-purpose use.

3. Construction:

   • Seamless Construction
     • Eliminates weak points, ensuring uniform strength throughout the tube.

Performance Features

1. Tire Compatibility:

   • Fits tires in the width range of 1.95–2.125 inches.
   • Designed for:
     • Mountain trails: With added cushioning for rugged paths.
     • Urban roads: For riders seeking durability against road debris.
     • Gravel paths: Balanced grip and rolling efficiency.

2. Pressure Range:

   • Recommended inflation pressure varies between 30–65 PSI, depending on tire specifications.

3. Air Retention:

   • Superior air retention due to the rubber material, reducing the frequency of reinflation.

4. Puncture Resistance:

   • Standard wall thickness provides good resistance against sharp objects and rough terrain.

5. Ride Quality:

   • Enhances comfort by absorbing vibrations and impacts from uneven surfaces.

Design Features

1. Valve Design:

   • Presta valves are lightweight, ideal for performance cycling.
   • Threaded valve stems ensure a secure fit with lockrings.

2. Tube Design:

   • Flexible Material: Conforms to the shape of the tire for optimal performance.
   • Seamless Construction: Ensures consistent thickness and reduces the risk of leaks.

3. Valve Length:

   • The 48mm Presta valve suits medium-profile rims without protruding excessively.

Brand Information

1. Brand:

   • Duro
     • A globally recvintagenized brand specializing in high-quality bicycle components.
     • Trusted by cyclists for durability and performance across various cycling disciplines.

2. Reputation:

   • Known for producing reliable and innovative inner tubes suitable for diverse riding conditions.