Shimano RD-U4020 CUES Rear Derailleur 9 Speed Shadow Long 36T Max

The Shimano RD-U4020 CUES Rear Derailleur is engineered for 2×9-speed systems, offering reliable and smooth shifting for both urban and off-road cycling. With a maximum cog capacity of 36T, this derailleur is designed to handle the demands of e-bikes, ensuring stable performance across various terrains. Its innovative Shadow low-profile design safeguards against obstacles, making it ideal for adventurous rides. Compatible with LINKGLIDE and HG chains, the RD-U4020 is a dependable choice for cyclists seeking durability and efficiency in their drivetrain.