Designed to fit 4-arm 96 Asymmetric BCD XT M8000 Cranks. These rings feature Drop-Stop tooth profiles for mud clearance, chain retention and durability. Features: Features Wolf Tooth's Drop-Stop tooth design for maximum chain retention Optimized for use with 10, 11, and 12 speed chains Not compatible with 9 speed chains Specs: Tooth Count36 Ring Position/TypeChain Retaining Single Ring Chainring BCD96 Shimano Asymmetric ColorBlack Defined ColorBlack MaterialAluminum