DESCRIPTION Dyno Void 21-Speed Bike, 24" tires Frame Size : 18" Stand Over Height : 29" Speed : 21 Gear Shifter : SRAM Max GripShift Front Derailleur : Falcon Rear Derailleur : Shimano SIS Brake Levers : Alhonga Crank Set : Dyno Seat : Padded (Dyno Brand) Suspension : Front: Dyno / Rear: Kind Shock 260 Colour : Blue Grip : Rubber Extras : Rear Mounted Reflector, Front Wheel Reflector, Rear Wheel Reflector. (NOTE: All above sizes and specs are approximate)