Adjustable Geometry Lower Arm

The lower aluminum arm of the divided type allows a precise adjustment of the pinch angle (toe angle) by modifying the quantity of spacers inserted between the two parts

1. [R31S323] Inset aluminum knuckle set.

2. [R31G038] Rear hub (standard of the GRK Global series).

3. [R31W335] GRK3 (*).

Important : A spacer or a spacing adjustment is necessary to compensate for the small size of the mounting part.

• Adjustable main lower arm (2 pieces - color of your choice).

• Adjustable side arm (4 pieces - color of your choice).

• Aluminum metacles:

• 3.0 x 2 mm thick (4 parts - color to choose from).

• 3.0 x 4 mm thick (4 parts - color to choose from).

• [R31G034] Exterior suspension axes (2 rooms).

• [R31M127] M2 x 4 mm cylindrical screw (4 rooms).

• [R31M145] M3 x 15 mm button screw (4 rooms).

• [R31W220] Suspension balls φ2.5 (4 pieces).

• Extended adjustment : In combination with suspension supports such as height -adjustable suspension blocks (R31S303), a wide range of geometric settings becomes possible.

• Premium materials : Made of aluminum for better durability, lightness and precision.

• Modular design : Allows rapid modifications and flexible adjustments according to configuration needs.

• Consult the instruction manual Supplied for detailed reference values ​​and calculation methods.

• Download the manual to the official website:

👉 R31house - Download manuals