Brake discs for your bike are available in many different versions. Of course, it is important to find the right brake disc for your bike and, of course, to change the brake disc in good time. The discs are subject to natural wear and are prone to fading (overheating, brake failure) on heavily loaded wheels and retarders.
The choice consists in the choice of attachment (6-hole or center-lock) and in the appropriate size (140 mm - 210 mm). The larger the brake disc is, the better the heat loss performance, so that even long braking maneuvers are mastered safely.
The question of design, of course, is a personal matter of taste, which you can easily answer yourself. Naturally, r2-bike stands for lightweight construction and suitable brake discs are also available, and smears have to be made in the braking power.