Specification BikeType : multi-use BikeType1 : City Bike BikeType2 : Gravel Grinder Bike Brand : THOMSON BulletPoint : Made in USA. BulletPoint1 : This Carbon post make great enhancements to gravel or mixed surface bikes by reducing the chatter transmitted from the surface to the rider and can be tuned to rider weight through a simple elastomer change. BulletPoint2 : Up to 35mm of travel to add comfort and compliance on gravel and mixed-surface rides without adding unnecessary weight to the bike. BulletPoint3 : Parallel linkage technology stays in the direct path of the natural travel of the rear wheel. As a bump lifts the back of the bicycle, the rear wheel pushes up and forward into the rider. BulletPoint4 : The eeSilk+ seatpost can be tuned for different rider weights and riding styles by selecting the elastomer that best fits rider needs and preferences. Comes shipped with a Medium elastomer installed. Extra Soft, Soft, Firm and Extra Firm elastomers are sold separately. BulletPoint5 : Weight: 323g. Offset: 12mm. Post Length 362mm. Max rider weight: 113kg Color : Black ExternallyAssignedProductIdentifier1 : 875850001015 ExternallyAssignedProductIdentifier2 : 0875850001015 ExternallyAssignedProductIdentifier3 : 00875850001015 GpsrSafetyAttestation : 1 ImportDesignation : Imported IncludedComponents : 1 x seatpost with medium elastomer ItemDisplayDimensions_Height : 0.4 inches ItemDisplayDimensions_Length : 3.4 inches ItemDisplayDimensions_Width : 2.6 inches ItemName : Thomson Top and Bottom Clamp for Elite Seat Post (Black) ItemPackageDimensions_Height : 1.778 centimeters ItemPackageDimensions_Length : 12.7 centimeters ItemPackageDimensions_Width : 7.366 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bike-seat-posts-and-parts Manufacturer : Thomson Material : Aluminum ModelName : Eesilk+ ModelNumber : SP-H002-BK NumberOfItems : 1 PackageLevel : unit PartNumber : 2682090300 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 : 2008-06-10T22:08:26-00:00 Size : 27.2mm StreetDate : 2011-08-02T00:00:01Z Style : Does Not Apply SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 25170000 WarrantyDescription : 1 Year