Shimano Rear Derailleur 7/8-speed RD-M3020

Characteristics Materials: Aluminum Intended use: Road Derailleur type: Mechanical Type of sprocket 40 T 11 T Product color: Black Model: Rear derailleur Capacity: 45 Mounting: Hook Number of speeds: 7 Safety warning Warnings Before assembly, make sure that all components are installed correctly to avoid the risk of accidents. Regularly check the condition of the pedals and other parts to ensure safe use. Use only compatible parts and accessories recommended by the manufacturer to avoid damage and safety hazards.