Wolf Tooth 96 BCD Chainring - 34t, 96 Asymmetric BCD, 4-Bolt, For Shimano Cranks, Drop-Stop ST, Requires 12-Speed HG+This chainring's tooth profile was developed specifically for Shimano's XTR, XT, and SLX 12 speed Hyperglide+ chain. Compatible only with Hyperglide+ chains Engineered proprietary tooth profile maintains the quiet and smooth performance of the HG+ drivetrain with optimal chain retention Prevents premature ring and chain wear that can come from non optimized profiles Chainrings fit on the Shimano XTR M9000 and M9020 1x or 2x cranksets Use only the