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Mountain Bike Frame Essay

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You will find the cost of a mountain bike frame to be in direct proportion to the a) material used in the construction and the b) treatment that material has received. As you begin your research for a mountain bike frame you will soon learn there are five types of materials used in the construction - a) high tensile steel, b) chromoly steel, c) aluminum, d) titanium, and e) carbon fiber. In addition, tubing material treatments adding to the increased cost of a frame are a) oversized diameters, b) heat treating, and c) butting.

High tensile steel is a very durable alloy that's found in lower priced mountain bikes. It offers a high carbon content which makes it less stiff than chromoly steel, so more materials are needed to make it stiff enough …show more content…

There are some bikes that come with a chromoly seat tube, while the rest is high tensile steel.

Next on the list of mountain bike framing materials is chromoly (short for steel alloy ). Chromoly is better defined by the major additives it contains - chromium and molybdenum. This framing material is probably one of the most refined and can more than 100 years of reliable service.

Depending on the type of heat treating and butting, you can find this material in bikes as low as 400 dollars all the way up to 1,500 and beyond. The chromoly steel material offers very good durability and a compliant ride characteristic.

Over the last fifteen years, aluminum continues to be refined essentially in a similar way as has been chromoly. There have been numerous alloys produced along with oversizing, heat treatment, and butting. Used on dual suspension bikes, aluminum is the desired material being the stiffest and most cost effective.

Aluminum is stiffer than chromoly, and therefore it will crack before chromoly. Of course, this depends on how you ride and how much abuse you give the frame. The advantages of aluminum is that the frame is very light and very stiff through oversizing or

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