KEY FEATURES: Lightning-fast assisted open with Nitro-Piston Technology, Easy one-step open, Compact fold size and lightweight for storage and transport, Features Top-Lok Technology®, a patented bag-to-cart attachment system. SPECS: Folded Dimensions: 19" x 13.5" x 22", Wheel Diameter: Front - 9.5", Rear - 11", Weight: 16.75 lbs.