Durable construction for long life Forged CNCmachined aluminum alloy shell with anodized finish resists wear and corrosion for reliable, longlasting performance. Built to withstand the demands of intense cycling, reducing the need for frequent replacements. Smooth, quiet steering Fitted with stainless steel sealed bearings both upper and lower for lowfriction rotation and reduced noise. Bearings are strong and durable, delivering effortless, predictable steering under load. Precise fit and reliable performance Designed for frames with an innerdiameter head tube (upper and lower) and a 6mm outerdiameter upper tube (standard). Provides a secure fit to maintain alignment and stable handling across conditions. Key attributes Function: improves steering smoothness, reduces bearing noise, and maintains headset durability during heavy use. Compatibility: innerdiameter head tube frames (both upper and lower); 6mm outerdiameter upper tube (standard). Material: forged aluminum alloy shell, anodized finish; stainless steel sealed bearings. Performance: lowfriction rotation, quiet operation, and extended service life. Typical use scenarios Offroad mountain rides: Handles rough trails and repeated impacts while keeping steering smooth and predictable. Road and endurance cycling: Reduces steering vibration and noise for prolonged comfort on long rides. Daily commuting or fitness rides: Reliable, lowmaintenance performance that preserves handling and minimizes service interruptions. What you get A quality mountain/road bike headset engineered for strength, smooth rotation, and longterm reliability, compatible with the specified head tube and upper tube dimensions.