New & Used MTB Rear Derailleurs For Sale

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Need a durable rear derailleur to conquer technical singletrack and grinding climbs? We’ve got you covered. This wide range of new and pre-loved mountain bike rear derailleurs from Shimano, SRAM and others brings reliable shifting performance to master every trail. Find options to suit 1×11, 1×12 and 2x setups. Seek tough clutched derailleurs to tame chain slap and bouncing over rough terrain. Get the smooth, crisp shifting you need to flow through rock gardens and rooty descents with confidence. Durable steel cages resist damage when the trail fights back. Whatever the terrain you ride, you’ll find the rear derailleur to help you push limits and take your MTB skills to the next level. Upgrade your drivetrain today!