Onyx Racing Ultra SS Stainless Cog

• Proprietary cog specifically designed to fit on Onyx OX 
• Broached splines are made exactly the same for every cog, every time.
• Heat treated stainless steel for durability
• Cassette Body Type: Onyx Ultra SS
• Drivetrain Speeds: Single Speed 3/32"
• Material: Stainless Steel
• Made in the USA
• Color: Silver
• 14, 15, 16, 17 & 18t options