Description
Upgrade your bike’s cockpit with the Industry Nine iRiX Lower EC49/40 in Black NLS-a premium lower headset cup designed for seamless performance, durability, and versatile customization. Crafted from high-quality materials and engineered with precision, this lower assembly offers a perfect blend of innovation and functionality tailored for serious cyclists and trail enthusiasts.
Materials & Construction:
Made from aerospace-grade stainless steel (440C), the Industry Nine iRiX Lower ensures exceptional strength, corrosion resistance, and long-lasting performance. The precision-machined components integrate a split crown race and a removable silicone lip seal system, maintaining the integrity of your headset while preventing dirt, water, and debris from contaminating bearings.
Performance & Engineering:
Engineered for top-tier reliability, the iRiX Lower includes sealed, high-performance bearings that enhance smooth steering and reduce maintenance. The 12mm stack height optimizes handlebar height and cockpit fit, providing improved handling and control across diverse riding conditions. Its customizable design allows for independent pairing with the compatible upper headset components, enabling personalized setups that match your riding style.
Components & Technology:
Utilizing Industry Nine’s cutting-edge technology, this lower headset cup features replaceable silicone seals that offer superior protection against contaminants. The inclusion of a split crown race ensures precise installation and compatibility with a range of fork standards, including EC49/40 steerer tubes, making it a versatile choice for mountain biking, gravel rides, and trail adventures.
Style & Use Case:
Finished in sleek Black NLS, the iRiX Lower not only enhances your bike’s aesthetics but also complements a wide range of frame colors and styles. Its lightweight design (54g) makes it ideal for performance-oriented riders seeking a reliable, low-profile headset component that supports aggressive riding, technical descents, and rugged XC terrains.
Innovative & Unique Features:
– Separate upper and lower headset assemblies for tailored customization
– Removable silicone lip seals protect high-quality stainless steel bearings
– Compatible with EC49/40 steerer tubes for broad application
– Precision-machined from durable aerospace-grade stainless steel
– Easy to install and maintain, with replaceable components for extended headset lifespan
Elevate your cycling experience with the Industry Nine iRiX Lower EC49/40-built for durability, designed for performance, and engineered for those who demand premium quality from their cockpit components. Perfect for riders seeking reliable steering precision and a customizable headset solution.
- Enhance your bike’s steering precision and durability with the Industry Nine iRiX Lower headset cup in EC49/40 size, engineered from high-grade stainless steel for maximum strength and longevity.
- Designed with modularity in mind, the iRiX Lower allows seamless customization by mixing with separate upper assemblies, offering personalized fit and style to optimize cockpit ergonomics.
- Equipped with removable, replaceable silicone lip seals, this headset cup features sealed 440c stainless steel bearings, providing exceptional contamination resistance and maintaining smooth, efficient performance in all riding conditions.
- Built for performance-focused riders, the EC49/40 sizing ensures compatibility with a wide range of modern bicycle frames while maintaining a lightweight profile at only 54 grams for optimal weight savings.
- Stylish matte black finish pairs with any bike aesthetic, making the Industry Nine iRiX Lower headset a versatile upgrade for advanced mountain, gravel, or road cycling setups seeking reliable, high-performance headset components.
| Upper/Lower | Lower |
| S.H.I.S. Stem Clamp Diameter | EC49/40 |
| Color | Black |
| Model Name | IRiX Lower |
| Weight | 54g |
| Stack | 12mm |






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