FX/FX1.5 Fx/Fx1.5 Length Angle Stack Height Steerer Ø Handlebar Ø Material Bolts Weight 45/70mm +5° 40mm 28.6mm 31.8mm 3D forged AL7075/CNC Hollow AL7075 123g(E45mm) 45/70mm +5° 40mm 38.1mm 31.8mm 3D forged AL7075/CNC Hollow AL7075 158g(E45mm)