These are custom built Rally specs wheels specially for your needs. Made from the best components in the market today and designed to meet the most extreme conditions. Built in the Netherlands and used by the best teams and riders in the world with more than 35 world championships and countless European and national championships in professional and amateur racing divisions. These are the wheels that you need. Rally specs means bigger spokes, billet rear wheel hubs with replaceable cush drive for the uneven acceleration and deacceleration you need. Fully customizable so you need to choose your wheel size, bike model/year, color scheme and any further requirements.