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