Chainring Direct Mounted Mountain Bike 5 Screws Round Chainring 110BCD/130BCD Narrow Wide Chainring for Bikes Crankset Features: - Made of aluminum alloy, designed with narrow-wide tooth profile to prevent chain drop and ensure strong performance - Integrated machining design provides high strength and safety, suitable for long-term cycling - Optimized tooth shape allows for smoother chain engagement, improving efficiency and reducing noise - Compatible with 110BCD and 130BCD cranksets; available in 36T, 38T, 40T, 42T, 44T, 46T, 48T, 50T, 52T, 54T, 56T, 58T, and 60T - Precision-machined tooth thickness ensures seamless interaction with inner and outer chain links, reducing friction and wear - Suitable for most 110BCD and 130BCD crank systems; please verify your crank's BCD and required tooth count before purchase Specifications: - Material: Aluminum Alloy - Color: As shown in picture - Package Weight: approx. 110g - Size: approx. 30cm / 11.81in Package Includes: 1 x Bike Chainring Note: - Please allow 1-2cm error due to manual measurement - Due to differences in monitor displays, the actual color may vary slightly from the image - Confirm compatibility before purchasing