Matter´s most famous racing wheel is our G13 wheel. After 13 generations of testing, the G13 was born and is the most developed racing wheel in the history of speed skating. There is a major focus on road and marathon events, but in reality, the G13 is a multi-purpose wheel which can be used also in many track racing situations. This wheel is 90mm and F1 / 86A. BEAT YOUR BEST.