The Sion is designed for park riding with the input from Larry Edgar and Sem Kok to make it just right for blasting ramps with speed and style. ###section### Product Specs FRAME MATERIAL: FULL 4130 CRMO WHEEL SIZE: 20\" TOP TUBE LENGTH: 21\" CHAIN STAY LENGTH: 13.7\" HEADTUBE ANGLE: 75° SEAT TUBE ANGLE: 71° FORKS: INTEGRATED CONE SHAPE DESIGN / FULL 4130 CRMO / 1 PIECE STEER TUBE BARS: FULL 4130 CRMO STEM: FLY VOLCANO FL / 6MM RISE / 50MM REACH / 6061-T6 ALUMINUM CNC MACHINED HEADSET: TREBOL / SEALED BEARING / CNC MACHINED / 6061-T6 ALUMINUM BRAKE MOUNTS: Removable BRAKES: TREBOL SPRINGHANGER / FORGED / 6061 T-6 ALUMINUM FRONT HUB: TREBOL BUENO / SEALED BEARING / 3/8” FEMALE AXLE / 36H FRONT RIM: FLY PIRAMIDE / DOUBLE WALL / 6061-T6 ALUMINUM REAR HUB: TREBOL / SEALED BEARING / 14MM MALE AXLE / 36H / 9T REAR RIM: FLY PIRAMIDE / DOUBLE WALL / 6061-T6 ALUMINUM TYRES: FLY FUEGO 2.30 FRONT & REAR / 60 TPI / 120 PSI SPROCKET: FLY TRACTOR / CNC MACHINED / 7075 ALUMINUM / 28T CRANKS: TREBOL 3PC / 4130 CRMO / 175 MM ARM LENGTH BB: MID / SEALED BEARING PEDALS: FLY RUBEN GRAPHITE / NYLON - FIBERGLASS COMPOUND SEAT: FLY SIERRA TRIPOD / 100% SYNTHETIC LEATHER / 7 MM THICKNESS GEARING: 28/9 WEIGHT: 11.3 KG. / 24.9 LB ###section### Product Highlights Longer top tube is great for taller riders who need a bit more room (6ft / 180cm plus) Best suited to skatepark use but can be used on for all types of Riding Sealed Bearings All Round Strong Double Wall Rims Chain Tensioners To Help Keep Your Wheel In Place