The high-quality 2-component dirtboard for the rear wheel of mountain and trekking bikers. Regardless of whether you drive 26, 27.5 ″, 28 ″ or 29 ″, we have the right X-BLADE for you in our program. Thanks to the quick-release attachment, the dirtboard can be mounted on almost any seat post and optimally adapted to the bike thanks to the 2-joint technology. Suitable for a tire width of up to 3.0 inches. "