Shimano RD-TY21B Bike Rear Derailleur is a reliable and durable component designed to enhance the performance of your 6-7 speed bicycle. It features a Direct Mount design for enhanced stability, is easy to install and adjust, and provides smooth and precise shifting. Compatible with a wide range of bicycle models, this rear derailleur is an excellent choice for riders looking to upgrade their bike's shifting performance.

Feature

• MODEL: Shimano RD-TY21B
• PERFORMANCE: Forged with high-hardness aluminum alloy. The hollow weight-reduction design is adopted, and the speed change is more stable.
• PRECISE ADJUSTMENT: High-hardness aluminum alloy body adjustment, adjustment is more precise. It can be adjusted slightly in multiple places to ensure accurate speed change performance.
• INSTALLATION: Fast and convenient installation and easy maintenance. (Note: The bike's rear derailleur includes a direct mount and a hanger mount. Please check the mount type of the original part before ordering.)
• SCOPE OF APPLICATION: Suitable for mountain bikes, station wagons, folding bikes, etc.

Specification：