Firstline Ltd. hereby announced that its kart tyre brand, “NEXXIVE,” is appointed as the official tyre supplier which can be used in 4 racing series in Japan.
- Event Series : SL Biwako MZ Senior
- Event Series : SL Rainbow Cup MZ Senior
- Event Series : MZ Senior JAPAN TOUR
- Event Series : RBC (Racing Battle Colosseum)
- Tyre : S1K (Front 4.5×10.0-5, Rear 7.1×11.0-5)
