Specification Brand : VGEBY BulletPoint1 : [Simple Installation]: The flywheel with connector is easy to install, providing convenience for professional mechanics and DIY enthusiasts. BulletPoint2 : [Stable and Efficient]: Experience stable and efficient power with this freewheel adapter set. The finely engineered design reduces friction and maximizes energy transfer for seamless of your machine. BulletPoint3 : [Professional Design]: Featuring a 30.5mm freewheel adapter and a 22T single speed flywheel, this set is suitable for a wide range of popular electric bikes. BulletPoint4 : [Fine Craftsmanship]: Built with exquisite craftsmanship, the flywheel maintains its durability and shape over time, ensuring optimal function and performance. BulletPoint5 : SERVICE GUARANTEE: If you are not satisfied with the 30.5mm Freewheel Adapter we received, you can us by email at any time, we will reply and solve your problem in time, and strive to provide better service. ItemName : VGEBY 30.5mm Freewheel Adapter, 22T Single Speed Freewheel Adapter Cassettes & Freewheels for Accessories Drivetrain Components, VGEBYk4nm5g96ir ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : bike-cassettes-and-freewheels ModelNumber : VGEBYk4nm5g96ir PartNumber : VGEBYk4nm5g96ir ProductDescription : Spec:Item Type: Freewheel Adapter SetMaterial: IronPackage List:1 x Connecting 1 x Flywheel ProductSiteLaunchDate : 2024-03-21T16:58:21.375Z SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnspscCode : 53120000