Ti axles on E-bay for $100?


5 replies to this topic
  • Chazmagnum

Posted May 13, 2011 - 04:24 PM

#1

Doe's anyone know if we can trust such a product? It would sure be a deal if they were indeed ti. I don't know if there are different strenghts or quality or what.

http://cgi.ebay.com/...sQ5fAccessories

  • MaddogYZ

Posted May 14, 2011 - 06:16 AM

#2

The Ti grade is 6/4, which is what I would expect it to be, EKO Racing is a legitimate company. Unless for some reason your axle is grooved out I personally would never spend the money for a Ti one.

  • Mr. Neutron

Posted May 14, 2011 - 06:37 AM

#3

I'm certain it's the same (or similar) ti alloy we use for some of the aircraft patrs we make where I work. But that doesn't necessarily make it a good alloy for an axle application......

If a person could find a modulus of elasticity chart for various metals, you might be able to compare some properties of Ti 6al-4v to whatever our stock axle is made of. Then, you might be able to decide if it's worth the price & etc..... It is a spendy way to save a few grams or ounces of weight.... I wonder if the average rider would even notice that small difference of weight while riding from that one item??? :thumbsup:

But that is a very good price for a ti axle, I believe......

Jimmie

For those interested is this sorta stuff, here's a "general" kind of chart of shear modulus & stuff. It's not overly specific; just very general, like I mentioned. But it can give a person a slight idea of one reason why engineers consider what particular alloy for what particular parts.... Cost isn't factored into this, so take it for what it's worth.......

The reason I even bring this up (and th original poster kinda did, also...) is that while it is possible to make an aftermarket part lighter than a stock part, they're not always "better" or "stronger" than stock.... But if it's good 6AL-4V, it'd probably work out great. Again, that seems like a good price for a Ti axle.....

http://www.engineers...l_materials.htm

Edited by Diesel Goober, May 15, 2011 - 05:46 AM.
Found a link I wanted to include....


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  • delmas

Posted May 15, 2011 - 05:08 AM

#4

my guess is they are cheap because of this comparison

http://store.mettec....roduct/1269/135

  • Chazmagnum

Posted May 15, 2011 - 06:50 AM

#5

I have seen them go for as much as a grand per axle. Axles are unsprung weight and a weight reduction here can have a bigger effect as apossed to sprung weight of the same amount. Of course I don't NEED this mod, but I want it. :thumbsup:

  • MaxPower

Posted May 15, 2011 - 04:53 PM

#6

[COLOR="DarkGreen"]I can clearly notice a lighter rear wheel with a standard tube tube and aluminum sprocket. A lighter axle could only help. Unless it bends of course [/COLOR]





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