42mm To 52mm Tapered Headset Mountain Bike Internal Cartridge Bearing Aluminum Bicycle Stem Fork Interface

Packages list: same as you select;

Product Highlights: • Precision-machined tapered headset designed for modern mountain bikes with 42mm upper / 52mm lower bearing compatibility • Fully sealed cartridge bearings ensure smooth steering, low friction, and long-term durability in off-road conditions • Lightweight aerospace-grade aluminum construction offers optimal strength-to-weight ratio • Direct-fit internal installation (zero stack) for clean frame integration and improved stiffness • Compatible with standard 1-1/8" to 1.5" tapered steerer tubes commonly used on MTB frames

Product Specifications: Type: Tapered Headset Material: Aluminum Bearing Type: Sealed Cartridge Bearing (Internal) Upper Cup Diameter: 42mm Lower Cup Diameter: 52mm Installation Style: Internal (Zero Stack) Application: Mountain Bicycle Fork Steering System

Note: Ensure frame head tube dimensions match 42mm (top) and 52mm (bottom) standards before installation. Professional assembly recommended for optimal performance and safety. Not compatible with straight or semi-tapered steerers. Status: New Country of manufacture: China Label: Yes Washing care: hand washing

Shell Material : Imitation Leather Use : Mountain Bikes User : Unisex