

Wheel shaft for IF15-2 with a hybrid structure of hard-anodized A7075 for the main body and titanium for the axle shaft threads, achieving a high level of strength and weight reduction.
Weight reduction of 1.9g compared to the normal steel (4.5g); about 10g reduction in rotating mass for one unit.
The use of lightweight titanium screws inside the two-speed unit contributes to improved engine pickup. The screw head is shaped to achieve the lightest weight possible.
Facilitates adjustment to reduce vehicle width when using wide offset tires.
Steering knuckle plate for IF15-2 and IF15-2W, which allows for a greater steering angle of the outer tire in corners than the standard kit version.
This will make tighter cornering possible, and can improve high speed steering on larger tracks.
Firmly fixing both ends of the upper suspension shaft with an E-ring and a stopper gives you added security from vibrations during long finals.
G121-14 Chassis weight is 14g, half that of G0121 original optional chassis weight. Perfect for making finer setting adjustments. Can be used in all sliding weight positions and front bumper on IF15.
This is an upgraded version of IF15front one-way set. By replacing the bevel gear with the newly-designed one-way plate, The one way dampening effect can be better controlled. In addition, this set enables the operation to be more stable for a longer period of time. Silicone oil of a part number between 100000 and 500000 and rubber glue or silicon sealing agent are required for assembly.
Pinion gear with improved durability compared to the standard part, achieved by reviewing the material and coating.
This is a 9.5g chassis weight for IF15. By combining it with 14g and 28 chassis weights, the option parts already available, you can make finer tune-up.
A high-quality 64 titanium ball screw set, when replacing the kit's standard φ8mm ball screws (front/steel, rear/aluminum), they reduce overall weight by approximately 3.3g and provides a light driving feel.