PROFILE STANDARD ALUMINUM COG

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PROFILE CASSETTE COGS The proprietary 10 spine center of these cogs fit only Profile Racing’s Splined Cassette Drivers. Aluminum Cogs machined from 7075 Aluminum. Sizes:Standard Al uminum Cogs: 13t, 14t, 15t, 16t, 17t, 18t -All 3/32″ width-Gold Anodized Weight: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.* Show more