Parts such as the 026 - Ruota Anteriore E Posteriore: Washer, Front Wheel Rim, Nut, Inner Spacer are included in the Sbk1299r 2018 Usa (superbike 1299r Final Edition) D220-00018 026 - Ruota Anteriore E Posteriore parts fiche.
In this schematic the "Screw M8x20" is used most often.
Of all the components that make up this 026 - Ruota Anteriore E Posteriore the Washer has the lowest price.