Designed to fit 96 Asymmetric BCD XTR9000/9020 Cranksets. These rings feature the patent pending Drop-Stop asymmetrical tooth design for the best in wear life, mud clearance, and chain retention. Optimized for use with 10, 11, and 12 speed chains. Made from 7075 Aluminum for long life. Not compatible with 9 speed chains. Only compatible with XTR 9000 or 9020 cranksets. Features Wolf Tooth’s Drop-Stop tooth design for maximum chain retention. Requires the M7 bolts that come with the cranks. Color: Black. Material: Aluminum. Chainring BCD: 96 Shimano Asymmetric. Defined Color: Black. Ring Position/TYPE: Chain Retaining Single Ring. Drivetrain Speeds: 10. Drivetrain Speeds: 11. Drivetrain Speeds: 12. Tooth Count: 34.