Narrow Wide chainrings for XTR M9000/M9020 11 speed crank with custom made crank cover caps. The narrow-wide profile with our snug fit wave design have extreme chain retention qualities. Each tooth has additional CNC cut teardrop holes for better mud...
Narrow Wide chainrings for XTR M9000/M9020 11 speed crank with custom made crank cover caps. The narrow-wide profile with our snug fit wave design have extreme chain retention qualities. Each tooth has additional CNC cut teardrop holes for better mud clearance.
Product Features: