The final version of the GRK4 competition chassis is available in limited quantities as a commemorative model for the GRK strongest final battle!

The main chassis has been narrowed down further. and the total length has been shortened by about 1mm.
By optimizing the roll point and changing the front suspension mount position. we have optimized the front and rear center of gravity and improved traction performance.

Adopted 2.25mm thick pure carbon.

A main chassis with dramatically improved performance suitable for the name of the GRK4 final competition was born.