HIGH STRENGTHaluminum alloy bike stem extender is lighter than ordinary aluminum alloy stem extender. Strong in anti-corrosion and rust-free, high toughness and not deformedADJUSTABLEThe bike fork stem extender is equipped with 3 x 10mm and 1 x 5mm gaskets. You can adjust the gaskets to fit your own heightEASY INSTALLATIONJust connect the original front stem extender adaptor and tighten it. More flexible for you to raise up the fork stemCOSY CYCLINGThe head up adapter is handling more flexible, light weight, much easier to force when climbing. Operation is comfortable and convenientSUITABLE FOR MOST BIKESThe handlebar extender is compatible for most bike with threadless steerer like Cross Bike, Road Bike, Mountain Bike, MTB, BMXDelivery Quantity: 1pcPackage Contents: Only the above package contents, excluding other products.Size: 2.87*2.87*12.3cm(Reminder: The size is measured manually, please allow 1-2 cm measurement error)Colour: Black(Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)