This is the base model most of S&Ms pro signature frames have started from for awhile now BUT NOW AVAILABLE IN A 18" WHEEL VERSION FOR LITTLE SHREDDERS. Its also the basic custom frame most of the employees at S&M ride. Its a little stronger and heavier than some of the frames on the market but its what people that really ride want. Stylish classic and burly all rolled up into one. TOP TUBE LENGTH: 18.5" REAR END LENGTH: 12.40" HEAD TUBE ANGLE: 75° HEAD TUBE STYLE: Integrated (45°/45° 41.8mm) SEAT TUBE ANGLE: 71° SEAT CLAMP: Integrated SEAT POST SIZE: 1" (25.4mm) BB HEIGHT: 10.5" BB STYLE: Mid STANDOVER HEIGHT: 8.25" BRAKE MOUNTS: Thread-On 990 Mounts (sold separately) DROPOUTS: 14mm Slot 4Q-Baked GYRO TABS: None WEIGHT: 4.65 lb (2.12 kg) TUBESET: Butted ThermalX Tubing