WorldSBK will continue to visit Assen for the next five years

  FMPhotoSport World Superbike News “WorldSBK will continue to visit Assen for the next five years" TT Circuit Assen has secured the world's fastest production-based series until 2021   The TT Circuit Assen and Dorna WSBK Organization, have signed a five-year contract, furthering a solid long-term relationship. The contract was signed in the new Legends