Round Four joins WorldSBK at Assen.
RKB-F1 Motorsport in conjunction with the Federation Internationale de Motocyclisme is delighted to announce that the fourth round of the championship will be at Assen in Holland over the weekend of 23-25th July.
This is also the fourth round of the FIM Superbike World Championship and will be the second time the sidecars join WorldSBK in 2021.
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