Description: Material: Chromium-molybdenum steel, high temperature resistance, high pressure resistance, prevents the chain from falling, and has a strong bite force. Specification: 44T, crank BCD (distance to hole) is 104mm. Designed to reduce friction and noise, light weight will not add any burden to your bicycle. It is widely used in mountain bikes, road bikes, BMX, etc. Suitable for standard 104mm BCD cranks, 7/8/9 speeds, please carefully confirm your crank BCD and number of teeth specifications before purchasing. Specification: Material: Chrome Molybdenum Steel Size Chart: Teeth: 44T Crank BCD (to-hole distance) : 104mm/4.09inch Screw hole diameter: 8mm/0.31inch Center distance: 73mm/2.87inch Application: 7/8/9 speed Colour: Black Package Includes: 1 Piece 104BCD Bike Chainring Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store