AL6061-T6 alloy replacement rings 8, 9, and 10 speed compatible Black anodized with silver CNC machined teeth Available in ramped/pinned and standard styles Made in the USA 130mm 5-bolt 54T Ramped/Pinned Black/Silver 8/9/10sp Standard
Genuine SRAM single chainring Optimized for 1x drivetrain without the need for a chain guide CNC machined X-Sync technology 130mm 5-bolt 54T 1x Grey 11sp Narrow/Wide