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