Features: Experience powerful performances with the chainring, designs specifically for drives motors, ensuring a smooth and efficient ride across various terrains. Craft from high strength aluminum alloy, this chainring features a protective disc to prevent chain drop and wear, enhancing both durability and safety. Perfect for city commuting, outdoor casual cycling with family and friend, and fitness training, offering stable power output and enhances ridings experience. With its streamlines designs and easy installation, even beginner can quickly upgraded their bikes, making it a essential component for enhances their cycling performances. Great for cycling enthusiasts, city commuters, and mountain or road bike cyclists who seek improved efficiency and comfortable during their ride. Specifications: Materials: Aluminum Alloy Color: As The Picture Shows Package Weight: approx.296g Size: approx.18.5x18.50cm/7.28x7.28in Package Includes: 1Pc Bike Chain Rings Adapter 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!