info@TrailRyderInnovatedProducts.com

Info@TrailRyderInnovatedProducts.com

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P.O. Box 21

Corona, CA. 92876

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Trail Ryder Innovated Products

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Copyright 2016

With the current trend in mountain biking, to manufacture the lightest possible product, it doesn’t make sense to shave weight on a axle.  Shaving weight might make sense in the racing circuit, but in this application, safety is the priority and weight takes the back seat. I chose to use steel, particularly Chromoly 4130.  Think of 4130 Chromoly as steel on steroids.  Overkill? I don’t think so.  The safety of my children overrides any weight savings on a axle.


All metals have unique properties and strengths, and where 4130 Chromoly excels over 7075 Aluminum is in the Ultimate Tensile Strength and Elongation properties.


Want to know more about the metal properties of 4130 Chromoly or 7075 Aluminum? Check out Matweb, loads of information about various metal properties.

While some manufactures use Stainless Steel for axles, this maybe ideal in some cases, but not when stainless is in contact with aluminum.  Stainless and aluminum, do not mix.  Using stainless steel and aluminum can create a situation known as Galvanic Corrosion. In plain English, aluminum and stainless steel do not mix.

Aluminum 7075 has a rating of 83,000 PSI, while 4130 has 97,200 PSI. With 4130’s higher UTS rating, we feel it makes for the better and safer axle.

Aluminum will stretch up to 11% before breaking.  Chromoly will stretch over twice as much as Aluminum, before breaking.