Specification AgeRangeDescription : Adult Brand : Dilwe BulletPoint1 : LONG SERVICE LIFE: Adopting aluminum alloy, CNC high machining and fine workmanship, colorfast and anti-deformation, the sealing ring is good for keeping dust and water away to prolong service life. BulletPoint10 : Nice accessory for your bikes. BulletPoint2 : INTERNAL BEARING: The bearing headset is suitable for 44mm frame head tube with low friction face-seals on the crown races. Built-in stainless steel perrin bearing, better experience. Rotating flexibly with great lubricating effect. BulletPoint3 : IDEAL FOR MODIFICATION BIKE: Can be applied for most ' modification. With its electroplating polishig. BulletPoint4 : SMOOTH ROTATION: This product has fine machining ensures sleek and smooth rotation, which fits perfectly with your headset. BulletPoint5 : SERVICE GUARANTEE: If you have any questions about our products, please send us an email and we will get back to you as soon as possible within 24 hours to solve the problem for you. BulletPoint6 : Material: Aluminum Alloy.CNC workmanship, less error in size. BulletPoint7 : Fixing Device: Spring/Grooved Expansion Nut.Easy to install and use. BulletPoint8 : Diameter: Approx. 22.2-23.6mm/0.87-0.93inch BulletPoint9 : Aluminum alloy construction delivers good stability and durability. Color : Black ExternallyAssignedProductIdentifier1 : 715990386217 ExternallyAssignedProductIdentifier2 : 0715990386217 GpsrSafetyAttestation : 1 ItemDisplayDimensions_Height : 7 centimeters ItemDisplayDimensions_Length : 13 centimeters ItemDisplayDimensions_Width : 13 centimeters ItemName : Dilwe Bearing Headset, 44mm Handlebar Riser Adapter Internal Sealed Bearing Headset Spacer for 28.6 mm Front Fork(Black) ItemPackageDimensions_Height : 5.2 centimeters ItemPackageDimensions_Length : 3.9 centimeters ItemPackageDimensions_Width : 4.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bike-headsets-and-accessories Manufacturer : VGEBY1 Material : Aluminum Material1 : Aluminum Alloy Material2 : Aluminum Alloy Material3 : Aluminum Alloy Material4 : Aluminum Alloy Material5 : Aluminum Alloy MountingType : Clamp-On Mount NumberOfItems : 1 PartNumber : VGEBYwpfn6ggvzx-01 ProductDescription : Specification: Features: Adopting aluminum alloy, this product is to use. Built-in stainless steel perrin bearing, better experience. Rotating flexibly with great lubricating effect. Can be applied for \' modification. With its electroplating polishig. Specifications: Item: Internal Bearing Material: Aluminum Alloy Colour: Black, Red, Golden, Silver (Optional) Weight: Approx. 75 g Size: Approx. 3 x 5cm / 1.2 x 2.0inch Fitment: for 28.6 mm Front Fork Suitable for refitting major : for SP8 / SP18 / VP18 / MUP8 / JP8 / BYA412, etc. As as it is a built-in 44MM modified folding car, of them can be used Package Included: 1 x Internal bearing