42T

 FSA`s rendition of the Narrow/Wide chainring for 1x10/11 drivetrains Features longer teeth and diamond shaped alternating profile to keep constant chain contact Longer tooth profile helps to reduce noise and quickly shed mud High grade anodized AL7075/T6 construction 110mm 5-bolt 42T 7075AL Black 10/11sp Narrow/Wide

 Narrow/Wide tooth design for chain retention on 1x systems 10, 11, or 12 speed compatible Mud clearing channels CNC AL7075 Swiss Alloy 110mm 5-bolt 42T 1x 7075AL Black 10/11sp Narrow/Wide

 Narrow/Wide tooth design for chain retention on 1x systems 10, 11, or 12 speed compatible Mud clearing channels CNC AL7075 Swiss Alloy 110mm 5-bolt 42T 1x 7075AL SRAM hidden bolt compatible Black 10/11sp Narrow/Wide

 Narrow/Wide tooth design for chain retention on 1x systems Oval shape for increased power and efficiency 10, 11, or 12 speed compatible Mud clearing channels CNC AL7075 Swiss Alloy 110mm 5-bolt 42T 1x 7075AL SRAM hidden bolt compatible Black 10/11sp Narrow/Wide

 Narrow/Wide tooth design for chain retention on 1x systems Oval shape for increased power and efficiency 10, 11, or 12 speed compatible Mud clearing channels CNC AL7075 Swiss Alloy 110mm 5-bolt 42T 1x 7075AL Black 10/11sp Narrow/Wide

 110mm BCD 5-bolt chainrings for Road, Cross, and Gravel applications Narrow/Wide tooth design for chain retention on 1x systems 10 or 11 speed compatible Forged and hard anodized AL6061-T6 alloy construction 110mm 5-Bolt 42T 1x AL6061 Black 10/11s Narrow/Wide

 Genuine SRAM single chainring Optimized for 1x drivetrain without the need for a chain guide CNC machined X-Sync technology 110mm 5-bolt 42T 1x Grey 11sp Narrow/Wide

 Sram replacement X-Sync chainrings for the Apex-1 crankset with asymetrical 110mm bolt pattern - will not work with standard 110mm 4 bolt applications X-Sync� tall, square tooth design provides maximum chain control Sharp, narrow tooth profile and rounded chamfer edges help manage a deflected chain Mud-clearing recesses 110mm 4-bolt Asym 42T Alloy Black 11sp Narrow/Wide ...