Aluminium Alloy Bicycle Headset with Double Cartridge Bearings for Mountain and Road Bikes, Tapered Fork Cover Set, External Cup Assembly Upgrade Part - Black(44-55mm)

• [STURDY ALUMINUM ALLOY HEADSET] Built with aluminum alloy, this headset is designed to withstand the demands of both road and mountain biking.
• [EFFICIENT BEARING DESIGN] The innovative double bearing system provides exceptional performance and smooth handling on any terrain.
• [VARIETY OF MODELS AVAILABLE] Choose from six different models tailored to fit various bike types; refer to the provided images for details on compatibility.
• [SIZING REMINDER] Remember to measure your frame's upper and lower head tube diameters to you select the correct model from our chart.
• [MINIMAL WEIGHT FOR ENHANCED SPEED] Weighing around 150g, this headset optimizes your bike's performance while keeping it lightweight.

Features: * Product Type: External headset, aluminum alloy, double bearings. * Suitable for both road and mountain bikes, an excellent replacement upgrade for your bike. * Models: Six models available, please refer to the images for details. * Selection and Measurement Steps: 1.Measure the inner diameter of the frame's upper and lower head tubes (in mm and in); for 2.Measure the outer diameter of the fork's upper and lower head tubes (in mm and in); * Compare the data in the images with the model chart to select the appropriate headset. Specifications: *Product Name: Mountain Bike Headset Double Bearing *Material: Aluminum Alloy *Size: approximately 8*7*7cm (3.15* for 2.75* for 2.75in) *Color: Black *Weight: approximately 150g Package Contents: 1 x Double Bearing