DURABLE TO USE: The bicycle headset is composed of quality aluminium alloy material, delivering excellent stability and durability.SUITABLE SIZE: The bearing headset is suitable for 44mm bike frame head tube with low friction face-seals on the crown races. ELEGANT APPEARANCE: The headset with sleek surface and smooth rotation, matching well with your bike headset, the fashionable design will draw much attention.GREAT PERFORMANCEE : With its surface electroplating polishig. Can be applied for most bicycles' modification. this product is durable to use. Package Included: 1 * Internal bearing Specifications: Item: Internal Bearing Material: Aluminum Alloy Colour: Black, Red, Golden, Silver (Optional) Weight: Approx. 75 g Size: Approx. 3 * 5 * 5 cm / 1.2 * 2.0 * 2.0 inch Fitment: for 28.6 mm Front Fork