PROFILE CASSETTE COGS
-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.
-Standard Steel Cogs: 12t, 13t, 14t, 15t, 16t, 17t, 18t -All 3/32″ width-Nickle Plated
-Standard 16t- 54g/1.89 oz