Profile chromoly steel cogs for Elite and Mini Race hubs.
The proprietary 10 spine center of these cogs fit only Profile Racing’s Splined Cassette Drivers.
These cogs are CNC machined from heat-treated 4340 aircraft alloy steel for strength and durability.
Steel Cogs: 12t, 13t, 14t, 15t, 16t, 17t, 18t -All 3/32″ width-Nickle Plated
Weight in 12T: 19 gr.
Weight in 16T: 54 gr.