The eeTop and eeNut offer a beautifully functional new concept for an extremely lightweight preload assembly A total weight of only 9.6 grams for the full assembly, the eeTop and eeNut saves 30 grams over the typical top and preload The eeNut is a unique and patent pending design providing ultra light weight, solid locking action and ease of installation in one package The recessed cone shape provides greater tension stiffness which facilitates precise headset adjustment and sets it apart from other lightweight caps Fits Fork Steerers with 22.8mm to 25mm Inner Diameters (1-1/8`) Constructed from lightweight 7075-T6 aluminum alloy Black 9.6g 1-1/8`