Vehicle body takes lot of stress and load under braking and cornering. Okuyama frame brace hold and support vehicle frame to reduce body flex and torsion in such condition. By adding extra strength to the vehicle body, braking and cornering handling and stability increases.
Okuyama use 20mm x 40mm oval shaft for the pipe in order to have better clearance of the body and the road.
Not only keeps higher rigidity of the parts, but also keeps lower weights.