Experience lightweight performance and superior durability with the Cane Creek 70-Lite Aethos-25/Crux IS42/28.6 | IS49.5/40.5 Black Headset - the ideal choice for discerning cyclists seeking optimized handling and reduced weight on their road or gravel bike. Materials & Engineering Excellence Constructed from precision-machined 6061-T6 aluminum, the Cane Creek 70-Lite Aethos-25/Crux headset offers an elevated balance of strength and weight savings. The internally contoured and relieved design minimizes overall weight to just 54 grams, making it one of the lightest headsets in its class, without sacrificing durability. Advanced Components & Technology Equipped with steel-hybrid Hellbender Lite sealed cartridge bearings, this headset ensures smooth, consistent steering performance even in challenging riding conditions. The alloy dual-seal crown race provides exceptional seal efficiency to prevent dirt and moisture ingress, extending component lifespan. Additionally, the carbon-friendly compression ring promotes compatibility with modern carbon frames, providing reliable preload and easy installation. Design & Use Case Featuring a sleek black finish, the Cane Creek Hellbender 70 Lite headset is engineered for versatility-perfect for road racing, endurance riding, and gravel adventures. Its internal seal and robust construction deliver dependable performance across diverse terrains, while its minimalist profile complements high-end carbon frames for a sleek, integrated look. Compatibility & Specifications - S.H.I.S. Stem Clamp Diameters: IS42/28.6mm and IS49.5/40.5mm - Stack Height: 9mm/1mm spacers included for customizable fit - Weight: Just 54 grams for optimal lightweight setup - Color: Black Upgrade your bike's handling and reduce weight with the Cane Creek 70-Lite Aethos-25/Crux headset - the perfect blend of innovation, performance, and style for serious cyclists.