Composite steering arm with steering mount hole is a part of Fully Adaptive Steering System allows easy changes to the steering assembly that transform the geometry and alter the handling characteristics. For low traction conditions - steering link mounted directly on steering plate For high traction conditions - steering link mount on left steering arm Made from strong premium-grade graphite material for incredible strength and long lifespan. Fits XB2 & XT2 & SCX #322514-G Composite Steering Arm with Steering Mount Hole - Graphite (2)