The pictures and description of the product does not describe the quality and sturdy materials used in this stand enough. I was under the impression the stand was made out of somewhat cheap alluminum and the clamp arm apparatus was made out of high density mold injected plastic. After reading the reviews I decided to go ahead and make a gamble with the high cost of this stand. To my surprise and relief the stand was sturdy and well built. The clamp arm is made out of metal except the part the attaches to your bike which is expected. The bottom line is you get what you paid for. Great build, funtionality and quality.