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Brake Disc

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.
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Choosing the right disc brakes for your bike depends on several factors. First, the mounting system: Center Lock or 6-bolt. Center Lock is quick and easy to install, while 6-bolt is robust, widely used, and often easier to find when you need spare parts. Your choice mainly depends on the hubs you are running.

Another key aspect is the size of the brake rotor. Common diameters range from 120 mm up to 225 mm. Smaller rotors (120–160 mm) are light and perfect for road or gravel bikes. Larger ones (180 mm and above) provide more braking power and better heat management – especially important for MTB, trail riding or downhill. The larger the rotor, the more consistent your braking will be on long descents.

When should you replace disc rotors? Replace them if they show deep grooves, cracks, or warping, if you notice unusual noises, or if they fall below the manufacturer’s minimum thickness. After severe overheating (fading), swapping the rotor is also a smart move to guarantee full safety.

Lightweight rotors are another exciting option for riders who focus on weight savings. At r2-bike we stand for lightweight performance, so you’ll also find ultra-light models in our shop. They shave off grams, though at the cost of some braking power and long-term durability.

In the end, beyond performance and setup, it’s also about personal taste: from clean minimal designs to eye-catching milled patterns. No matter your style or discipline, with the right disc brake rotors you’ll stop safely and in style.