Category: Bicycle Gears and Components As a cyclist, I am always on the lookout for high-quality gears and components that will make my rides more efficient and enjoyable. In this review, I will be taking a closer look at five different rear derailleurs from various brands, including Shimano, EnBo, Tourney, Lowrider, and Bicycle Transmission Rear Derailleur for Most Mountain Road Bikes 7/21 Speed. First up is the Shimano RD 5701 105 30T Max Rear Derailleur. This rear derailleur is part of Shimano's 105 series and is designed for use with 10-speed cassettes. It features a medium cage, which makes it suitable for bikes with wider frames or larger chainrings. The Stylrtop 2 pcs 11T Aluminum Sealed Bearing Jockey Wheel Rear Derailleur Pulley for Shimano Sram Rear Derailleur Etc. is a great addition to this rear derailleur, as it helps to improve the smoothness and efficiency of shifting. Overall, I would highly recommend this rear derailleur to anyone looking for a reliable and high-performing option. Next on my list is the EnBo Tourney Rear Derailleur RD-TY300 6/7 Speed SGS Direct Mount. This rear derailleur is designed for use with 6-speed cassettes and features a direct mount design, which makes it easy to install and adjust. It also has a low profile that helps to reduce drag and improve shifting efficiency. While this rear derailleur may not be as high-end as some of the other options on my list, it still offers good performance at an affordable price point. The Lowrider Rear Derailleur 7 Speed Tourney Ty-21 Direct is another great option for those looking for a reliable and affordable rear derailleur. This rear derailleur features a direct mount design and is suitable for use with 7-speed cassettes. It also has a low profile that helps to reduce drag and improve shifting efficiency. Overall, I would highly recommend this rear derailleur to anyone looking for a solid option at an affordable price point. The Bicycle Transmission Rear Derailleur for Most Mountain Road Bikes 7/21 Speed is another great option for those looking for a reliable and affordable rear derailleur. This rear derailleur features a direct mount design and is suitable for use with 7-speed cassettes. It also has a low profile that helps to reduce drag and improve shifting efficiency. While this rear derailleur may not be as high-end as some of the other options on my list, it still offers good performance at an affordable price point. In conclusion, there are many great rear derailleurs available on the market today. When choosing a rear derailleur, it is important to consider factors such as compatibility with your bike and cassette, shifting efficiency, and durability. Each of the five rear derailleurs I have reviewed in this article offers good performance at different price points, making them suitable for cyclists of all budgets.