SRAM 42 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring Blast Black MFPN=DROPOUT-619 75 Thread Length (mm) 20

75 Thread Length (mm) 20 Axle Diameter (mm) 12 Over Locknut (mm) 148 Overall Length (mm) 180

} New tread design

Tough 6061 T6 aluminum construction with 6061

Seat Cover Material Lycra Primary Color Black Seat Cover Size 254 x 241mm

Single clamp design

SRAM 42 Tooth 107mm BCD x 4-Bolt 1x12-Speed X-Sync Chainring Blast Black MFPN=DROPOUT-619 75 Thread Length (mm) 20SRAM 42 Tooth 107mm BCD x 4 Bolt 1x12 Speed X Sync Chainring Blast Black. SRAMs 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 youre always in the right gear Can be installed with a single