100% chromoly, That means every tube is chromoly. That's the only way Hutch builds their frame sets. No "Tri-Moly" or carbon steel, just 100% chromoly, THE BEST. For 1988 Hutch has 3 Frame Sets: For serious freestylers, there's the all new Trick Star II, now designed with dual top tubes and mounts for "U" type rear brakes. The Trick Star II is available in Chrome, White, Candy Red, Candy Blue and Futuristic Black. For you racers, Hutch has its championship proven race frame sets, the Pro 20" and Pro 24". Both are available in hand-polished Show Chrome.