Graphite front supply brace for greater flex adjustment opportunities. MODERATE â€✠With brace Improves in-corner steering but keeps a moderate response to steering input. Suitable for medium-high traction carpeting tracks and high traction asphalt tracks. STIFF - With brace attached to front main bulkhead Provides maximum steering response. Suitable for low-medium traction carpet songs as well as for various different traction amounts on asphalt songs. CNC-machined from 2.2 mm high-grade carbon graphite.