Shimano XTR M9000-M9020 Inner Chainring

• Chainrings for M9000/M9020 Crankarms
• Loose ratio gear combination for minimum shifting gap and maintaining rhythm
• New 3D composite chain ring's teeth composition is optimized for each chainwheel load out (1x11, 2x11 & 3x11) with steel driving gear teeth and aluminum support gears
• Cassette Compatibility: 11 Speed
• Bolt Circle Diameter: 64mm/96mm BCD (4-bolt XTR specific asymmetrical)