Category: Bicycle Components Product Review: Bicycles are one of the most popular modes of transportation in many parts of the world. Whether you're a casual rider or an experienced cyclist, having high-quality components can make all the difference in your riding experience. In this review, we will take a closer look at some of the best rear derailleurs available on the market today and discuss their features, benefits, and drawbacks. 1. Shimano 105 RD-5701-SS Rear Derailleur Short Cage: The Shimano 105 RD-5701-SS is a high-quality rear derailleur that offers excellent performance for riders who want to take their cycling experience to the next level. This short cage model is designed specifically for road bikes and provides smooth shifting between gears, even under heavy load. The Shimano 105 RD-5701-SS also features a durable aluminum construction that ensures long-lasting performance. Overall, this rear derailleur is an excellent choice for riders who want to upgrade their bike's components without breaking the bank. 2. SHIMANO Ultegra R8000 Mid-Cage Rear Derailleur: The Shimano Ultegra R8000 is a top-of-the-line rear derailleur that offers unparalleled performance for serious cyclists. This mid-cage model features a sleek and lightweight design that provides smooth shifting between gears, even under heavy load. The Shimano Ultegra R8000 also features advanced technology such as the Shadow RD+ system, which ensures quieter operation and reduces wear on the chain. Overall, this rear derailleur is an excellent choice for riders who want to take their cycling experience to the next level. 3. SHIMANO 105 RD-R7000 Rear Derailleur: The Shimano 105 RD-R7000 is a high-quality rear derailleur that offers excellent performance for riders who want to upgrade their bike's components without breaking the bank. This model features a durable aluminum construction and provides smooth shifting between gears, even under heavy load. The Shimano 105 RD-R7000 also features advanced technology such as the Shadow RD+ system, which ensures quieter operation and reduces wear on the chain. Overall, this rear derailleur is an excellent choice for riders who want to take their cycling experience to the next level without breaking the bank. 4. SHIMANO RD 5701 105 30T Max Rear Derailleur: The Shimano RD 5701 is a high-quality rear derailleur that offers excellent performance for riders who want to take their cycling experience to the next level. This model features a sleek and lightweight design that provides smooth shifting between gears, even under heavy load. The Shimano RD 5701 also features advanced technology such as the Shadow RD+ system, which ensures quieter operation and reduces wear on the chain. Overall, this rear derailleur is an excellent choice for riders who want to take their cycling experience to the next level without breaking the bank. 5. Black, Medium Cage, SHIMANO Ultegra RD-RX800: The Shimano Ultegra RD-RX800 is a top-of-the-line rear derailleur that offers unparalleled performance for serious cyclists. This model features a sleek and lightweight design that provides smooth shifting between gears, even under heavy load. The Shimano Ultegra RD-RX800 also features advanced technology such as the Shadow RD+ system, which ensures quieter operation and reduces wear on the chain. Overall, this rear derailleur is an excellent choice for riders who want to take their cycling experience to the next level. 6. SRAM X.4 Rear Derailleur (Black, Long Cage): The SRAM X.4 is a high-quality rear derailleur that offers excellent performance for riders who want to upgrade their bike's components without breaking the bank. This model features a durable aluminum construction and provides smooth shifting between gears, even under heavy load. The SRAM X.4 also features advanced technology such as the PowerLock system, which ensures secure chain attachment and reduces wear on the chain. Overall, this rear derailleur is an excellent choice for riders who want to take their cycling experience to the next level without breaking the bank. 7. Shimano Deore 9-Speed Mountain Bicycle Rear Derailleur - RD-M591: The Shimano Deore RD-M591 is a high-quality rear derailleur that offers excellent performance for riders who want to upgrade their bike's components without breaking the bank. This model features a durable aluminum construction and provides smooth shifting between gears, even under heavy load. The Shimano Deore RD-M591 also features advanced technology such as the Shadow RD+ system, which ensures quieter operation and reduces wear on the chain. Overall, this rear derailleur is an excellent choice for riders who want to take their cycling experience to the next level without breaking the bank. 8. Ultegra Shimano Rear Derailleur RD-6800 (2014): The Ultegra Shimano RD-6800 is a top-of-the-line rear derailleur that offers unparalleled performance for serious cyclists. This model features a sleek and lightweight design that provides smooth shifting between gears, even under heavy load. The Ultegra Shimano RD-6800 also features advanced technology such as the Shadow RD+ system, which ensures quieter operation and reduces wear on the chain. Overall, this rear derailleur is an excellent choice for riders who want to take their cycling experience to the next level. 9. SRAM GX Type 2.1 Bicycle Rear Derailleur with 10 Speed Medium Cage: The SRAM GX Type 2.1 is a high-quality rear derailleur that offers excellent performance for riders who want to upgrade their bike's components without breaking the bank. This model features a durable aluminum construction and provides smooth shifting between gears, even under heavy load. The SRAM GX Type 2.1 also features advanced technology such as the PowerLock system, which ensures secure chain attachment and reduces wear on the chain. Overall, this rear derailleur is an excellent choice for riders who want to take their cycling experience to the next level without breaking the bank. 10. SHIMANO XT RD-M8000 Rear Derailleur: The Shimano XT RD-M8000 is a top-of-the-line rear derailleur that offers unparalleled performance for serious cyclists. This model features a sleek and lightweight design that provides smooth shifting between gears, even under heavy load. The Shimano XT RD-M8000 also features advanced technology such as the Shadow RD+ system, which ensures quieter operation and reduces wear on the chain. Overall, this rear derailleur is an excellent choice for riders who want to take their cycling experience to the next level. In conclusion, choosing the right rear derailleur can make all the difference in your cycling experience. Whether you're a casual rider or an experienced cyclist, having high-quality components can ensure that your bike runs smoothly and efficiently. In this review, we have taken a closer look at some of the best rear derailleurs available on the market today and discussed their features, benefits, and drawbacks.