Frame: Root 18inch, Int headset, sealed mid BB, high tensile Steel, TT 18.5, CS 12.1inch, 75degree HT. Fork: high tensile steel, tapered legs, 10mm dropouts. Handlebar: Root 18inch bar, high tensile steel, 7inchX 25.5inch. Stem: new topload. Crank: 3pc CrMo crank 160mm, 8 splines. Front wheel: 3/8 axle hub 36H, SB, double wall 18inch rim. Rear wheel: 14mm cassette hub, full sealed, 9T, 36H, double wall 18inch rim. Tyres: 2.0, 18inch Adjusted brakes. Including new affix GYRO system. Simple adjustment No sharp edges 3X Lighter than regular Rotor Cleaner look More brakepower Stem can be lowered The Root series is a solid line designed to be affordable without making any compromise regarding the strength of the bikes. The bikes feature a strong Hi-Ten or CrMo frame. With Sealed Integrated Headset, MidBB and rearhub as well as a great selection of parts including 25x9 gearing, 3pc crank, tapered fork and even female bolts on some models.