Colour: Matte Black
Material: Aluminum Alloy
Number of teeth: 9-12 speed compatible
Suitable for: Road bike
Number of teeth: 50-34T/52-36T/52-42T/53-39T
Weight:About 167g(50-34T) 169g(52-36T) 190g(52-42T) 181g(53-39T）
Process: One-piece forging, anode sandblasting

◆The size is measured manually. Everyone uses different methods. Please refer to the actual situation.