Avid barrow wheel conversion kit

? Capable of converting any square-framed barrow 23/25mm into a 3 wheeled barrow.? Compact design can be left captive on the frame.? Easy and fast to assemble/dissemble.? Makes pushing a barrow much easier particularly when walking long distances with a fully loaded barrow.? Puncture proof for maximum longevity.? A compact means of transforming your barrow into a 3-wheeler.? Insert provided for use with 23mm square frames.