The Top End Crossfire All Terrain Rigid Wheelchair is an all-terrain sport wheelchair designed for use by adults with mobility or lower extremity disabilities or spinal cord injury. FRAME: Custom built rigid aluminum ultra-lightweight open frame or cantilever design. The center of gravity is available in an active position or an amputee position. The frame is available in a choice of wet black, black prism, copper penny, cosmic blue, electric blue, electric red, electric green, emerald green, fruit fusion, grape madness, grasshopper green, midnight blue, safety yellow, silver metallic, silver vein, sunkissed orange, tangerine red, or white snow. Bolt-through push handles and anti-tips are optional. SEAT: The rear seat height is offered in a choice of 15.5, 16, 17, 18, 19, or 20 inches. The standard seat width and depth are 18 inches. The width and depth are available in 14, 15, 16, or 17 inches at no extra charge. Optional 19- and 20-inch widths and depths are available at an extra charge. The standard fold-down back is angle- and height-adjustable; the back height is available in a choice of 8 to 11 inches, 10 to 14 inches, 12 to 16 inches, 14 to 18 inches, or 16 to 20 inches. A fixed back with a choice of angle is optional. CUSHION: Optional. UPHOLSTERY: The standard upholstery is black; camouflage upholstery is available at an extra charge. Fold-over back upholstery and tension-adjustable back upholstery are available as options. ARMRESTS: None. Optional fixed aluminum or carbon fiber sideguards, fold-in sideguards, folding sideguards, removable sideguards, and removable sideguards/fenders are available. BRAKES: Push-to-lock high-mount brakes are optional. WHEELS: 25 x 2.75 inch Sun high-performance spoked wheels are standard. Spinergy spoked wheels in black or yellow are optional. Axle options include Titanium axles and quad-release axles. Anodized aluminum handrims are standard; Natural Fit Standard or Super Grip handrims or coated handrims are optional. CASTERS: 8 x 2 inch front casters are standard. FOOTRESTS: One piece tubular footrest is standard. An angle-and height-adjustable footplate is optional. WEIGHT: 30 pounds. CAPACITY: 250pounds. WARRANTY: Lifetime frame warranty; one-year limited parts warranty.