Description:Our bike rear tail hanger is made of high quality aluminium alloy, durable and can used for a long time. Good texture, smooth surface and practical. With screw, easy to install and remove. Fits to most types of bikes, can be replaced, reduce the maintenance cost of frame. Well protecting your bike from being damaged in case of falling down. Hope you enjoy your riding. Features:1. Made of high quality aluminium alloy, durable and longer use.2. With screw, easy to install and remove.3. Good texture, smooth surface, practical.4. Well protecting your bike from being damaged in case of falling down. 5. Fits to most types of bikes, can be replaced, reduce the maintenance cost of frame. Specifications:Material: Aluminium AlloyQuantity: 1pc StandardWeightColorLengthWidth1#22gsilver6cm4cm4#17gblack or silver5.3cm3.7cm7#19gsilver5.7cm4.3cm8#19gsilver5.7cm3.5cm Package Included:1 x rear gear mech with screw Note:1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please in kind prevail.3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.