The Process IC Fork features fully heat-treated chromoly tubing throughout with a 1pc. machined steerer tube with integrated bearing race for use with all 4545 headsets and a 7000 series alloy compression bolt. The 6mm thick investment cast drop out and lower leg junction provide the ultimate strength while maintaining a clean look and the 20mm offset helps keep the front wheel under the rider for for more responsive steering. Fits 3/8(10mm) axles only.