The SRAM XX1 2.1 Rear Derailleur is a smooth, fast, and high-performance option that is very compatible with other SRAM shifter options. Providing crisp and clean shifting without any tedious movements, you can quickly get into the correct gear in no time at all. For those needing a durable, versatile, and high-quality derailleur without worrying about the price, this could be a good option.

The SRAM X01 2.1 Rear Derailleur is a durable, reliable, and high-quality option that is well-suited for those who want a sturdy derailleur for long-term use. Even though this is expensive, cyclists will love this easy-to-set-up choice that works well for both downhill runs and uphill climbs.

The SRAM X01 Eagle 12-Speed Rear Derailleur is an adjustable and versatile apparatus that will benefit most intense cyclists. The cost and some durability issues may deter some, but for those who need an expansive gear range, clean shifting, and a lightweight piece, this is a great option.

The SRAM GX Eagle 12-Speed Rear Derailleur is an adjustable, easy-to-use, and customizable option that is ideal for those needing smooth-shifting and a cost-effective choice. The low-price doesn’t sacrifice high-quality materials, with this derailleur proving to be a reliable choice for any level of rider.