Big Boy I Next Generation Single Runner ramp for loading street bikes, road bikes, and motorcycles. The MF1-14419 is a 144" folding arched loading ramp with a 1-Piece design for optimal performance and durability. Each ramp features a 12° offset for extra clearance when used with lower suspension vehicles. The ideal solution for loading motorcycles into 4x4 pickup trucks, 2WD truck beds, trailers, box trucks, toy haulers and loading docks. MF1-14419 includes (1) heavy duty cam buckle safety strap which hooks the ramp to a vehicle frame to prevent ramp kick-outs during loading and unloading. Tapered feet ensure a smooth transition from ground surface to loading ramps while serrated rungs provide maximum traction during use. Big Boy I Specifications * Folded size: 72. 5"L x 5. 625"H . * Maximum capacity: 1,000 lbs. * Riding surface: 144"L x 19"W . * Heavy duty aircraft grade aluminum construction . * Made in the USA . * U. S. Patent NO. D595920 . 144" Big Boy 1-Piece Design Single Runner Folding Aluminum Motorcycle Ramp * (1 piece) Single Runner loading ramp with a 1,000 lb. maximum capacity * Ideal for loading street bikes, road bikes, and motorcycles * Integrated solid plate/hook attaching lip, extruded tapered feet and serrated cross rungs * 12° offset hinge give extra clearance for vehicles with lower suspension * Heavy duty aircraft grade aluminum construction Made in the USA PAT NO. D595920