Further details on the box contents
This set includes:
2 x wheels white/black (A), 2 x additional struts as rotation protection (anti-twist) (G), 2 x mounting screws long (B), 2 x mounting brackets for axle mounting (D), 2 x self-locking nuts (with internal plastic ring) (F), 2 x large washers (C), 2 x small washers (E)