Specification BikeType : Mountain Bike BikeType1 : EBIKE BikeType2 : Cruiser Bike Brand : COGSTER BulletPoint1 : Cogster Bike Seatpost Adapter Shim serves as a crucial part that adapts smaller seatposts to larger tubes, ensuring a proper fit. BulletPoint2 : Comes in various sizes to accommodate different bicycle seatpost diameters and seat tube diameters. BulletPoint3 : CNC'd from 6061 aerospace alloy, this bike seatpost shim balances superior strength, light weight, and corrosion resistance for long-term use. BulletPoint4 : Featuring tool-free installation, this bicycle seat post tube adapter is designed to avoid damage to the bike frame or seatpost, ensuring ease and safety. BulletPoint5 : By enabling the use of a different size seatpost, you can adjust the height or tilt of your saddle more accurately, thus improving your overall cycling comfort and performance. BulletPoint6 : 【Included Shim】 Certain sizes (28.6/30.0/30.4/30.8/31.8/33.9mm) include a shim to ensure compatibility with different seat tube diameters. The shim allows a smaller diameter seatpost to fit securely in a larger diameter seat tube. Color : Black ExternallyAssignedProductIdentifier : 4711126760308 ExternallyAssignedProductIdentifier1 : 702455805055 ExternallyAssignedProductIdentifier2 : 0702455805055 ExternallyAssignedProductIdentifier3 : 0772168460025 ExternallyAssignedProductIdentifier4 : 0774144172045 GpsrSafetyAttestation : 1 Hazmat1 : ARTICLES, PRESSURIZED, PNEUMATIC OR HYDRAULIC (A114) Hazmat10 : DE_Unregulated Hazmat11 : EG_Unregulated Hazmat12 : ES_Unregulated Hazmat13 : FR_Unregulated Hazmat14 : GB_Unregulated Hazmat15 : IE_Unregulated Hazmat16 : IN_Unregulated Hazmat17 : IT_Unregulated Hazmat18 : JP_Unregulated Hazmat19 : MX_Unregulated Hazmat2 : UN3164 Hazmat20 : NL_Unregulated Hazmat21 : PL_Unregulated Hazmat22 : SA_Unregulated Hazmat23 : SE_Unregulated Hazmat24 : SG_Unregulated Hazmat25 : TR_Unregulated Hazmat26 : US_Unregulated Hazmat27 : ZA_Unregulated Hazmat3 : 2.2 Hazmat4 : AE_Unregulated Hazmat5 : AU_Unregulated Hazmat6 : BE_Unregulated Hazmat7 : BR_Unregulated Hazmat8 : CA_Unregulated Hazmat9 : CN_Unregulated ImportDesignation : Imported IncludedComponents : Seatpost Reducer Shim IncludedComponents1 : Suspension Seatpost IncludedComponents2 : Cover IncludedComponents3 : 1600mm Long Remote Control Cable IncludedComponents4 : User Manual ItemDisplayDimensions_Diameter : 30.9 millimeters ItemName : Cogster Alloy Bike Seatpost Reducer Shim, 100mm Length Aluminum Bicycle Reducing Sleeve Seat Post Tube Adapter for MTB, Mountain, City, Road Bike, Adapting 31.6mm seatposts to 34.9mm seat Tubes ItemPackageDimensions_Height : 16.51 centimeters ItemPackageDimensions_Length : 3.6068 centimeters ItemPackageDimensions_Width : 10.5918 centimeters ItemTypeKeyword : bike-seat-posts-and-parts Manufacturer : COGSTER Material : Aluminum ModelName : CSS10-01 ModelNumber : 365mm length PartNumber : CSS10-01 ProductDescription : Introducing the Cogster Alloy Bike Seatpost Reducer Shim, a revolutionary solution to common bike fitting issues. This indispensable accessory is specifically designed to fit seamlessly between your bike's seatpost and seat tube, effortlessly adapting smaller seatposts to larger frames. The Reducer Shim is ideal for an array of bicycles including MTBs, mountain bikes, city bikes, and road bikes, ensuring an accurate fit regardless of the bike model. Available in a range of sizes, this seatpost adapter shim accommodates various bicycle seatpost diameters and seat tube diamatures, effectively solving the issue of incompatible sizes between the two. Now, you can make easy adjustments to your saddle, resulting in an enhanced cycling experience. ProductSiteLaunchDate : 2023-06-07T06:41:46.414Z Size : 31.6 to 34.9mm SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 25170000 WarrantyDescription : 2 Years