New for 09, Profile Racing introduces the product that will revolutionize all current methods of holding your wheel onto your bicycle. It's the Profile 3/8's Bolt Head Cover Washer. Made in the USA from aluminum, these shapely devices hide those unsightly allen bolt heads and smooth out the look of your dropouts without adding significant weight. A pair weighs 12g (.5oz) Get yours today!
Also included is a steel flat washer that should be used as well, or else the Aluminum will be crushed to bits. You don't want that.
Comes with 2 Aluminum Bolt Head Covers and 2 Steel washers, enough for one hub. (Hub not included.)