100 % traité thermiquement. Axe 48 cannelures creux et usiné CNC.
Full heat treated 4130 chromoly. Crafted from heat-treated 4130 chromoly, the arms boast a rectangular cross-section, enhancing rigidity and durability. The 22mm diameter, heat-treated 4130 chromoly spindle is CNC-machined with a 48-spline.