Type:Round Chainring / Single Chainring.Mount Direct / Direct Mount.Interface:SRAM 8 bolts.Color:Black.Thickness:7mm.Hardness:150 HB.Chain line:52mm.Material:7075-T651 Aluminum, from Aleris USA.Process:CNC, anodized surface.Offset:3mm.Fit:SRAM XX Eagle SL, XX Eagle, X0 Eagle.Speeds:For the new SRAM MTB flat chain with T-TYPE specification (12 speed T-TYPE).Protectors:Yes (They can be removed).Does not include screws.It is recommended to use the original SRAM chain with T-TYPE specification.30 teeth - 105 grams