Box Pinion 3/32" CNC Crmo Cog-Black

This Box Pinion cog fits the Box One driver, Harmonic driver, or any Shimano compatible driver and is manufactured of chromoloy. Chain Fit: 3/32" recommended (1/8" can be used as well).

• 13t: 24 grams / 0.85 ounces
• 14t: 30 grams / 1.05 ounces
• 15t: 35 grams / 1.25 ounces
• 16t: 39 grams / 1.40 ounces
• 17t: 43 grams / 1.50 ounces
• 18t: 51 grams / 1.80 ounces