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Dymag carbon wheels ?

6K views 25 replies 17 participants last post by  st2lemans 
kek said:
Yes Carbon Fiber is strong, but it is also brittle. When it reaches its limit, it will explode! Not a good choice for the road.

The more I work with composites, the more I love metal...
Well, the more I work with composites- the more I like composites. You can design and make composites as strong or as light as you want if you have the proper experience and resources.

You might want to check out some of the new composite wheel technology and see what kind of tests that the BST wheel has gone through:
http://www.blackstonetek.com/technical_info.php

BST test 5X stronger than aluminum. By the time the BST wheel fails from impact, the bike itself experiences catastrophic damage. Every broken BST wheel that I have seen was attached to a damaged bike that had experienced very serious impact.

BST wheels flex. Check out the 10,000 NM test where the wheel bends several inches and pops back. Have you seen alu and mag wheels do this:
http://www.ram.mc/wheels/BST/En-abs/En-abs-gallery-en.htm

The new BST motocross wheel which is good for 60 foot + jumps has a flex coating on the finish to handle the flex. Yet when ridden, the rider report less flex and prefer the precise feel of the BST wheel. The wheel is designed to be stiffer than laced wheels but it will flex upon had impact.

I was not surprised when I saw this test. We routinely drop the BST wheels on the pavement (without a tire) when people ask how strong it is.

And for those that do not think that magnesium wheels can fail:
http://www.reitwagen.at/forum.asp?thema_id=953120&id=953120

Speaking from personel experience, We sell replacement aluminum and magnesium wheels at a much higher rate to percentage sold than BST carbon wheels. I have many more damaged magnesium wheels from incidents that the rider would have expected the mag wheel to survive. With the BST wheels, I've had the oppisite experience--There are many more stories where the customer expected the wheel to damage (ie: T-boning a mini-van, running into curbs, ladders and huge pot holes) but the BST wheel survived intact.
 
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