Specifications

Tube Size

1. Dimensions:

   • 700 x 28c/32c/35c
     • Designed for 700c wheels, the most common size for road, hybrid, and touring bikes.
     • 28c: Ideal for efficient, fast rides on smooth roads, balancing speed and minimal rolling resistance.
     • 32c: A versatile mid-range width offering enhanced stability and comfort for urban, mixed-terrain, and endurance cycling.
     • 35c: Suitable for gravel, rough paths, and touring, providing excellent shock absorption and grip.

2. Applications:

   • Compatible with road bikes, hybrid bikes, gravel bikes, and touring bikes.
   • Works well for a variety of terrains and riding styles, from commuting to long-distance touring.

Valve Details

1. Valve Type:

   • Presta Valve
     • Narrow and lightweight, preferred for high-performance bikes and wheels with smaller valve holes.
     • Features a locking nut for secure sealing and consistent air retention.

2. Valve Length:

   • 48mm
     • Designed for standard to shallow-depth rims, offering easy access for inflation.
     • Provides sufficient clearance to accommodate most pump heads.

3. Valve Core:

   • Non-Removable
     • Simplifies maintenance and reduces the risk of accidental core removal during inflation.
     • Enhances durability and reduces potential points of failure in high-pressure settings.

4. Valve Stem:

   • Threaded Finish
     • Threads allow for a secure fit using the included locking ring, preventing valve movement during inflation or while riding.

5. Valve Angle:

   • 0 Degrees (Straight Valve)
     • Straight design ensures easy alignment with pumps, minimizing wear on the valve and pump head.

Material and Construction

1. Material:

   • High-Quality Premium Rubber
     • Ensures superior air retention and durability under varying conditions.
     • Resistant to ozone, UV light, and temperature changes, making it suitable for year-round use.

2. Wall Thickness:

   • Standard Wall Thickness
     • Balances light weight with adequate puncture resistance, optimizing performance and reliability for daily and performance-focused cycling.

3. Construction:

   • Seamless Tube Design
     • Eliminates weak points, reducing the likelihood of blowouts or irregular pressure distribution.
   • Heat-molded process ensures a consistent shape and precise fit within the tire.

Performance Details

1. Tire Compatibility:

   • Designed to work with tires ranging from 28c to 35c, offering flexibility across multiple bike types.
   • Accommodates various inflation pressures depending on tire width and manufacturer recommendations:
     • 28c: Up to 100 PSI for efficient road performance.
     • 35c: Around 50–70 PSI for comfort and grip on rough surfaces.

2. Elasticity:

   • High elasticity ensures a snug fit, reducing the risk of pinch flats or uneven placement.

3. Puncture Resistance:

   • The durable rubber provides reliable resistance against minor punctures and abrasions, suitable for urban and off-road use.

4. Air Retention:

   • The rubber material and a non-removable Presta core enhance air retention, requiring fewer inflations over time.

Design Features

1. Valve Durability:

   • The non-removable Presta valve core ensures consistent sealing, particularly in high-pressure situations.
   • Threaded design allows for secure fixation to the rim, preventing movement or wear during inflation and riding.

2. User-Friendly Inflation:

   • Compatible with standard Presta pump heads, ensuring convenience for cyclists with road and hybrid bike setups.
   • The 48mm valve length is ideal for standard rim depths, providing easy access without additional extensions.

3. Lightweight Build:

   • The use of lightweight rubber minimizes rotational weight, enhancing bike performance without compromising durability.

4. Seamless Integration:

   • Fits seamlessly into the tire casing, providing smooth and consistent ride quality.

Brand Information

1. Brand:

   • Duro
     • A trusted name in the cycling industry, known for producing high-quality, durable tubes and tires.
     • Specializes in products that offer a balance of performance, durability, and value.

2. Reputation:

   • Duro products are favored for their reliability across diverse cycling disciplines, from commuting to touring and competitive riding.