This robust Shimano rear derailleur for bicycles with derailleur gears controls the running of the bicycle chain on the rear sprockets of the sprocket cassette. This rear derailleur is characterised by high precision. With the Shimano Alivio RD T4000 rear derailleur, 9 gears, top normal, long cage you are safe on the go with your bike and easily switch the gears up and down, whether it is at high speeds or when riding on the mountain. This rear derailleur is suitable for 9-speed gear packs and is compatible with Shimano derailleur gears.
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