DVSN Pro Race fork. Ultra-reliable fork, made out of 100% heat treaded 4130 Chromoly. Ready to take it to the track. Fork Technical Specifications: 100% heat-treated 4130 Cromoly Tapered Headtube Butted, multivariable thickness Threadless 172mm steertube: 1-1/8'' to 1.5" Built-in race