Supersprox are true world leaders in the production of performance sprockets. A supplier to most European motorcycle producers and factory race teams. With a long tradition of expertise in the motorcycle field. The company has supplied the best quality racing sprockets since 1959.Supersprox-stealth means longer life, without compromising weight. They last 3 times longer than an all aluminum sprocket and remain as light as possible. It s about performance and function first and lastSupersprox-stealth is infinitely better than steel! You just can t achieve this level of strength on a steel sprocket with the same weight.Supersprox-stealth means longer life, without compromising weight. They last 3 times longer than an all aluminum sprocket and remain as light as possible. It s about performance and function first and last.