-The proprietary 10 spine center of these cogs fit only Profile Racing’s Splined Cassette Drivers.

-Standard and Elite Cogs are CNC machined from heat-treated 4340 aircraft alloy steel for strength and     durability.

– Aluminum Cogs machined from 7075 Aluminum.

-Standard Steel Cogs: 12t, 13t, 14t, 15t, 16t, 17t, 18t -All 3/32″ width-Nickle Plated
-Elite Steel Cogs: 16t, 17t, 18t-All 3/32″ width-Nickle Plated
-Standard Aluminum Cogs: 13t, 14t, 15t, 16t, 17t, 18t -All 3/32″ width-Gold Anodized
-SS Steel Cogs: 13t, 16t -Both 3/16″ width-Nickle Plated

-Standard 16t- 54g/1.89 oz
-Elite 16t- 44g/1.54 oz
-Aluminum 16t- 22g/.77 oz
*Aluminum Cogs are intended for riders 13 years old or younger. They will wear out much faster than CrMo cogs.*

Shipping to the Contiguous US is included with the price of this item. Items will be shipped USPS First Class Mail. Additional shipping charges apply to Alaska, Hawaii and International orders. You will be sent a PayPal invoice for the additional amount.

Additional information

Weight 0.2 lbs
Dimensions 6 × 4 × 1 in
Cog Size/Style

12t Standard Steel Cog, 13t Standard Steel Cog, 13t Standard Alum Cog +$6, 14t Standard Steel Cog, 14t Standard Alum Cog +$6, 15t Standard Steel Cog, 15t Standard Alum Cog +$6, 16t Standard Steel Cog, 16t Standard Alum Cog +$6, 16t Elite Steel Cog +$9, 17t Standard Steel Cog, 17t Standard Alum Cog +$6, 17t Elite Steel Cog +$9, 18t Standard Steel Cog, 18t Standard Alum Cog +$6, 18t Elite Steel Cog +$9, 13t SS Steel Cog, 16t SS Steel Cog


We are taking precautions to protect our employees and follow CDC and state guidelines. In the meantime, our machine shop is still running, we're here to assist you and we'll be shipping product to help support bike shops during this difficult time.