Easton 4 Bolt 36T Chainring 11sp BCD: 64/104 Aluminum Black Binders - Quick Release 145 BCD outer rings are

145 BCD outer rings are specific to Record or Super Record

Rings 32 Defined Color Gray Spindle Interface Type SRAM DUB Chainring BCD Direct Mount SRAM Color Lunar Chainline/Hub Compatibility 135/142 MTB Hubs Drivetrain Speeds 12 Number of Chainrings Chain Retaining Single Crank Intended Use Mountain Pedal Spindle 9/16" BB Included No Crank Length (mm) 165

} Shimano 12 speed specific

They are sold in packs of four

Easton 4 Bolt 36T Chainring 11sp BCD: 64/104 Aluminum Black Binders - Quick Release 145 BCD outer rings areEaston Asymmetric Chainring: 4 Bolt 11 Speed 36t Black. Easton asymmetric 11 speed chainring. TECH SPECS Tooth Count 36 Drivetrain Speeds 11 Chainring BCD 110 Color Black Defined Color Black Material Aluminum