Specification Brand : Thinvik BulletPoint : Bearing Type: 5/32" Ball Crown Race: 27.0 Headset Detail Color: Silver Headset Size: 1" Threaded Headset Type: 1" Standard Cups Material: Steel Stack Height: 33.4mm Steer Tube Size: 27.0mm Weight: 149g BulletPoint1 : Specifications: We have 34-34/44-44/44-50.6/41.8-52/44-55/44-56mm for your choice. Crown Race: 30/39.8mm, 1-1/8 inch threadless headset completed with expander plug, star nut and bolt. BulletPoint2 : 【Double-sealed bearings】Equipped with double-sealed steel bearings to capture compression rings and reduce the number of loose parts, helping to prevent dust and water from entering, which can prolong the service life. BulletPoint3 : 【High Quality Material】Bearing Headset is made of high quality aluminium alloy material, which has excellent stability and durability, fine workmanship, colorfast and anti-deformation. BulletPoint4 : 【Headset Expander Plug】Suitable for front fork with upper end outer diameter of 28.6mm, and carbon fiber front fork and mountain suspension fork are applicable. It can be used repeatedly, easy to install and disassemble, and can be installed in a few minutes with an a hex wrench. BulletPoint5 : 【Great Headset with Resonable Price】As bike accessories become increasingly expensive, Thinvik was created to change it. With carefully selected materials and sophisticated manufacturing technique, Thinvik's Headset to make it possible for all cycling lovers to experience the pleasure of premium quality. We're on a mission to provide the highest quality, affordable prices and incredible hospitality to all our customers. Choose Thinvik, start where you are and have fun! Color : 34-34mm ExternallyAssignedProductIdentifier1 : 702921472408 ExternallyAssignedProductIdentifier2 : 0702921472408 ExternallyAssignedProductIdentifier3 : 00840226145464 GpsrSafetyAttestation : 1 ImportDesignation : Imported1 IncludedComponents : 1x headset Accessory ItemDisplayDimensions_Length : 3 inches ItemDisplayDimensions_Width : 3 inches ItemName : Thinvik Bike Headset 1-1/8 inch Threadless MTB Bicycle Headsets, 34 mm Head Tube Straight Steerer Fork Bearing for MTB Road Bikes, Black ItemPackageDimensions_Height : 2.56 inches ItemPackageDimensions_Length : 2.56 inches ItemPackageDimensions_Width : 2.56 inches ItemPackageQuantity : 1 ItemTypeKeyword : bike-headsets-and-accessories Manufacturer : Thinvik Material : aluminum-alloy ModelName : Hellbender ModelNumber : BAA0692K MountingType : Rear Seat Mount NumberOfBoxes : 1 NumberOfItems : 1 Orientation : Rear PackageLevel : unit PartNumber : AC-HS34-34-TV-B236-TV2404 Pattern : Solid ProductDescription : Product Specifications: 1 1/8 inch (28.6mm) Straight Steerer Fork Headtube ID: 34, 44, 44-50.6, 44-55, 44-56, 41.8-52mm Crown Race: 30mm, 30/39.8mm Material: Aluminium Alloy Color: Black Packing Includes: 1 x Bike Headset ProductSiteLaunchDate : 2024-07-03T07:41:08.767Z Size : 27.0mm Style : Does Not Apply SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnspscCode : 53100000 WarrantyDescription : The product is replaced if broken or it is defective from factory