The first picture is a product picture, the other pictures are sample displays 16 Types Bike Rear Derailleur Hanger Aluminum Alloy MTB Road Racing Bicycle Frame Tail Hook Cycling Accessories Universal  Features: *1. Made of aluminum alloy, high-precision CNC integrated milling and cutting.  *2. Wear resistance, high strength, not easy to deform.  *3. Compatible with common brand frames in the market, the appearance and shape can be matched and installed, and the compatibility is strong.  Description:  *1. Material: aluminum alloy *2. Color: picture color *3. Weight: about 12g Package Content: Rear hook *1 Note: 1. All pictures are professionally color coded, but due to different ambient light and display device settings, there may be some deviations between the pictures you see and the objects themselves, please understand. 2. The data is measured manually, and there may be some deviations, but it will not affect the use.