Top Cap: 7075 T-6 Aluminum 2.6g Top Bolt: 7075 T-6 Aluminum 1.6g Compression Cones: 7075 T-6 Aluminum 1.0g (2 per assembly) Preload Nut Bolt: 7075 T-6 Aluminum 1.8g Preload Nut: 7075 T-6 Aluminum 1.6g Total Weight: 9.6g Available Fits Fits Fork Steerers with 22.8mm to 25mm Inner Diameters (1 1/8th Steerer Clamping Surface)