Stone Oval Chainring 24 mm for Rotor 3D+ 3DF Direct Mount

• Material: Aerospace Aluminum 7075-T651
• Color: black, anodized
• Speed: 9/10/11/12 Speed(support both Sram and Shimano 12 speed system)
• Thickness:9MM
• Hardness: HB150
• Chainline:52mm
• Fit for: for Rotor 24mm axis Crank, 3D+, 3DF
• Suitable for Boost 148 frame