Specification BikeType : Mountain Bike Brand : LITEONE BulletPoint1 : Size: 27.2 × 400mm (apx 445g/pc), Total length: 400mm, Strength: 4.9 levels ultra high strength. 15mm Offset BulletPoint2 : How to Choose the Size: 1.Check the diameter of the original seatpost, choose the same size as the original diameter.2.Measure the inside diameter of the frame tube BulletPoint3 : Material: Made of Aluminium Alloy 6061 T6 which is durable. Frosting finish, exquisite workmanship, nice touch feeling. With adjustable head, Easy to install BulletPoint4 : With 3 Seatpost Shim: 27.2mm to 28.6mm, 27.2mm to 30.9mm, 27.2mm to 31.6mm, you can choose with your need BulletPoint5 : Suitable for most road bike, fixed gear bicycle, mountain bikes, downhill bike, track bike, MTB, BMX, DH, etc Color : 27.2*400SP306 ExternallyAssignedProductIdentifier1 : 754525834052 ExternallyAssignedProductIdentifier2 : 0754525834052 GpsrSafetyAttestation : 1 ImportDesignation : Imported IncludedComponents : No ItemName : 27.2 Seatpost 400mm LITEONE MTB Seat Post with 28.6mm 30.9mm 31.6mm Seatpost Shim Suitable for Mountain Bike Road Bicycle MTN BMX ( Include 3 Tube Adapters 15mm Setback ) ItemPackageDimensions_Height : 45.212 centimeters ItemPackageDimensions_Length : 5.6896 centimeters ItemPackageDimensions_Width : 8.3058 centimeters ItemTypeKeyword : bike-seat-posts-and-parts Manufacturer : LITEONE Material : Aluminium Alloy 6061 T6 ModelName : LITEONE602400SP306 ModelNumber : LITEONE602400SP306 PartNumber : LITEONE602400SP306 ProductDescription : Size: 27.2 × 400mm (apx 445g/pc), Total length: 400mm, Strength: 4.9 levels ultra high strength. 15mm Offset How to Choose the Size: 1.Check the diameter of the original seatpost, choose the same size as the original diameter.2.Measure the inside diameter of the frame tube Material: Made of Aluminium Alloy 6061 T6 which is durable. Frosting finish, exquisite workmanship, nice touch feeling. With adjustable head, Easy to install With 3 Seatpost Shim: 27.2mm to 28.6mm, 27.2mm to 30.9mm, 27.2mm to 31.6mm, you can choose with your need Suitable for most road bike, fixed gear bicycle, mountain bikes, downhill bike, track bike, MTB, BMX, DH, etc ProductSiteLaunchDate : 2022-12-27T09:56:33.775Z Size : 27.2*400SP306 SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 25170000 WarrantyDescription : 1 Year