- Fits 16" BMX bikes - 28 mm offset - M24 threading for top cap further improving strength - 100% post weld heat treated seamless 4130 Chromoly - Internal and externally machined 1pc steerer tube with integrated bearing race - Fluted, butted and tapered seamless 4130 Chromoly legs - 7075-T6 top cap with sunken 6mm allen bolt for 'hollow' look - ED rust proof coated before painting