A neat lightweight direct mount retainer ring option for our chainset.New tooth profile option compatible with Shimano 12SPD drivetrain systems, a narrower tooth profile designed specifically for use with Shimano 12SPD chains. This differs to our Standard chainring and is now offered alongside Standard Retainer Rings.Narrow/wide tooth profile designed to retain the chain without the need of a chain deviceDirect mount retainer ring designed specifically for our cranksetAvailable in Standard or Boost offsetSaves weight without need for a separate spiderAbility to run a broader range of smaller chainring sizesCompatible with 9spd, 10sp, 11spd and 12spd set-upsAvailable in sizes ranging from 26 to 36 tooth (Shimano 12SPD in 32T & 34T only)Available in our 6 standard colours (Shimano 12SPD in Black only)