Bimota KB399 Debuts With ZX-4RR Power And Premium Upgrades

Bimota has revealed the new KB399 and it already feels very different from a regular middleweight bike. It uses a strong base but adds its own touch in many areas.

At its core, the bike is built on the Kawasaki Ninja ZX-4RR platform. That means it gets a high revving inline four engine that is already known for performance.

Engine and base setup

  • 399cc liquid cooled inline four engine
  • Around 78 to 80 hp output
  • Revs beyond 14000 rpm
  • Same base and core specs as ZX-4RR
  • Quickshifter comes as standard
  • Traction control with three modes

The bike keeps the strong base but adds more premium hardware.

What Bimota has changed

  • New body design inspired by KB998 Rimini
  • Winglets added for sporty look
  • Custom Akrapovic exhaust as standard
  • Billet aluminium parts across the bike
  • Lighter rear section for better balance

Chassis and hardware upgrades

  • Steel trellis frame setup
  • Around 189 kg weight
  • 41 mm Showa front suspension
  • Showa rear shock on standard model
  • Ohlins rear shock on ES version
  • Brembo Stylema front brake callipers

Two versions are offered

  • Standard version with full setup
  • ES version with carbon body panels
  • ES also gets more premium components

It carries a clear Italian design touch and clearly looks sharper than the donor bike. Every panel and part feels more focused on performance and style.

Conclusion

This bike takes a known engine and pushes it further with better parts and sharper design. It feels more special without changing the core too much.


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