absoluteBLACK single speed cogs feature a unique tooth shape, narrow-wide profile and perfect roundness. Crafted with CNC machined 7075 aluminum with an anodized finish for long-lasting construction.

• Tooth design is wider and more “square like” compared to other single speed cogs
• The narrow-wide profile provides additional strength and offers greater chain retention
• Compatible with 1X, 6, 7, 8, 9, 10, 11, and 12-speed chains
• To utilize the narrow-wide feature use a 9, 10, 11, or 12-speed chain
• Not compatible with half-link chains
• 23g, 24g, 29g