Onyx Racing Ultra SS Stainless Cog

• Proprietary cog made to fit on Onyx OX drivers
• 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