Innovative design: This bike chainring features a creative design that reduces wear and prevents the chain from falling off easily, ensuring smooth and efficient rides every timeQuality material: Made from quality molybdenum steel, this 22T bicycle chainring is sturdy, resistant to deformation, and can be used for a long timeCompatibility: Easy to install, this single bicycle chain ring is suitable for 7; 8; 9 speed cranksets. Please carefully confirm your bike specifications before purchasingAppropriate size: With a diameter of 9.3 cm and thickness of 0.2 cm, this narrow wide chainring is compact in size, lightweight for portability, and serves as a great replacement for damaged or old partsWide application: This bicycle repair tool is nice for mountain bikes; road bikes; folding bikes adults bicycles, etc., making it a versatile addition to your cycling toolkit Specification: Material: Nonomolybdenum Steel Size Chart: 1Bike Chainring Package Includes: 1Bike Chainring Note: Please allow slightly errors 1-2cm differences due to manual measurement.