SRAM -
SRAM 42 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring, Polar Gray SRAM's X-Sync Road Chainrings are designed for provide maximum control when used with AXS road cranksets. X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control Laser-etched chainring finish is more durable X-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear Can be installed with a single tool, making gearing changes a breeze Chainring bolts not included Color: Gray Material: Aluminum Tooth Count: 42 Ring Position/Type: Chain Retaining Single Ring Drivetrain Speeds: 12 Defined Color: Gray Chainring BCD: 107 SRAM 36 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring, Blast Black SRAM 38 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring, Blast Black SRAM 40 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring, Blast Black SRAM 42 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring, Blast Black SRAM 44 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring, Blast Black SRAM 46 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring, Blast Black SRAM 40 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring, Polar Gray SRAM 42 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring, Polar Gray SRAM 44 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring, Polar Gray SRAM 46 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring, Polar Gray