Features: Enhances your cycling experience with our rear derailleur support brackets, a must having for any cyclist seek to secure and stabilize their gear shifting systems. Make from alloys materials, this support brackets is designs to reduce noise and vibration, ensuring a smooth ridings while extending the lifespans of your rear derailleur. Great for bicycles enthusiasts, long distances ridings, and bike tinkerers who prioritize maintenance and performances upgrades for their two wheeled. Whether you're navigating city street or tackling mountain trail, this support brackets ensures consistent gear operations and protections against loosening and damage. The adjusted tension feature allows for wonderful support strength, making it a great addition to any cyclists tool for gear function across various ridings conditions. Specifications: Materials: Alloys Color: Black/Golden Color/Blue/Colorful/Silver Gray Package Weight: approx.100.0g Size: approx.18x12cm/7.08x4.72in Package Includes: 1 Set of Bikes Rear Derailleur Inner Plate note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!