Alomejor Bike Rear Derailleur Hanger Mountain Road Bike Rear Gear Mech Derailleur Hanger Hook Bicy Tail Hook Extender

【High Quality Material】Rear gear mech with screw is made of high-quality aluminum alloy, which is durable, not easy to rust, and has a long service life. 【Simple To Use】Rear gear mech with screw has screws, easy to install and remove, and can be replaced quickly. 【Exquisite Workmanship】Bike rear derailleur hanger has exquisite workmanship, good texture, smooth surface, and wear-resistant. 【Great Protection】Bike rear derailleur hanger is equipped with good protection, which can prevent the bike from falling and damage. 【High Compatibility】Bike rear derailleur hanger is suitable for most types of bicycles and can be replaced, reducing the maintenance cost of the frame.