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What is the lightest, yet strongest alloy or metal?

Answers:1   |   LastAnswerAt:2011.03  

Asked at 2011.03.01 00:33:23
my friend and i wanted to make a very light weight bike, but we figured that we'd need something strong and light. Any ideas?
answer Terrence B  Answered at 2011.03.01 00:33:23
Titanium is the strongest material and lightest in comparison to the others, but it is no longer the lightest when it comes to bicycles. Carbon (and many aluminum) frames are lighter. Mainly with Ti and carbon frames, you're paying a lot because they are expensive to manufacture.
The best material for the money is definitely aluminum. Aluminum is actually lighter than carbon when compared at equal density. Not only that, it costs a lot less and has been around longer. Many, say that aluminum has a very harsh ride. That used to be the case but with all of the R&D done over the years to aluminum frames, there have been many improvements and they are fairly comfortable now- very comfortable with carbon rear seatstays. I've owned steel, carbon, and aluminum and I personally like aluminum with carbon seatstays and forks the best. Very confidence inspiring in turns. Yet that is just my opinion.and I haven't been on titanium for longer than a test ride. Try them all and judge for yourself.

Something to consider: Carbon is not a metal. It is basically plastic fibers held together buy a resin ( a type of epoxy or glue)- similar to fiberglass. The jury is still out on the long-term durability of carbon fiber. Many swear by it because it has such a smooth ride ( like steel frames), but carbon frames generally have a shorter life span than their metal counterparts and don't hold up to accidents as well either.
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