Patented drop-stop® wide-narrow tooth profile for minimised dropped chainsPerfect for 1x setupsMachined in-house at wolf tooth's hq in Minnesota, USABeautiful anodised finishCompatibilityThese rings fit on the shimano xtr m9000 and m9020 1x or 2x cranksetsUse only the stock shimano xtr chainring bolts (m7)You will not use the stock bolt caps when mounting this ring. The stock bolts will thread into the chainring's standoffs from the outside of the crankset.For 1x9, 1x10, 1x11 and 1x12 drivetrains (including sram eagle)Compatible with all 10-, 11-, and 12-speed chains except shimano 12-speed chains.If using a 9-speed drivetrain use a 10-speed chain (shifts and works well on a 9-speed drivetrain and fits the ring tighter for better chain retention).Chainline - 49 mm for 30-34t and 50 mm for 36t.