Adds security to `narrow/wide` 1x10/11/12 and XX1/X01 drivetrains Adds security to `narrow/wide` 1x10/11/12 and XX1/X01 drivetrains Two-bolt ISCG-05 mount glass-filled Composite backplate 28-34t range (oval compatible up to 32t) No crank or chainring removal required for installation Lightweight at only 33 grams Boost compatible