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Magnesium wheels were the first die-cast wheels produced, and were often referred to as simply "mag wheels." However, true magnesium wheels are no longer produced, being found only on classic cars. Magnesium suffered from many problems. It was very susceptible to pitting and corrosion, and would start to break down in just a few months. Cracking was a common problem, and the wheels were very flammable. Magnesium is used for flares and early flash lamps. Magnesium in bulk is hard to ignite but, once lit, is very hard to extinguish, being able to burn under water or in carbon dioxide, which are common extinguishing materials. Tires that caught fire could soon ignite the magnesium, creating difficulties for fire responders. Magnesium wheels required constant maintenance to keep polished. Alloys of magnesium were later developed to help alleviate some of the problems.[2]
Magnesium wheels were originally used for racing, but their popularity during the 1960s lead to the development of other die-cast wheels, particularly of aluminum alloys. The term "mag wheels" became synonymous with die-cast wheels made from any material, from aluminum alloy wheels to plastic and composite wheels used on items like bicycles, wheelchairs, and skateboards.[3][4]
Magnesium alloy wheels are sometimes used on racing cars, in place of heavier steel or aluminum wheels, for better performance. Magnesium wheels can be produced through various methods.
Joined: Feb 15, 2007 Posts: 1356 Location: LaPorte, Indiana, USA
Posted: Thu Jan 19, 2012 12:08 pm Post subject:
bullitt04 wrote:
sorry for being kind of a noob, but what are lesters?
Fancy "mag-type" wheels - big bucks, high quality. _________________ Bill Lane - CB200-CM200-CB450-C70M-CL350
"When your only tool is a hammer,
everything starts to look like a nail."
Joined: Feb 15, 2007 Posts: 1356 Location: LaPorte, Indiana, USA
Posted: Thu Jan 19, 2012 12:40 pm Post subject:
bullitt04 wrote:
Tango911 wrote:
mag wheels off a 78 or 77 CB750. not sure of the size, havent looked yet. All they really need is Soda Blasted and/or powder coated.
any one know if these will work on a 500?
The same rear brake panel was used by all 5-speed 450's, 500T, 500/550F. So you can assume the wheels are pretty much the same.
While I don't have any 750 Comstars on hand, I did not so long ago, and they were big (to me, an old twin guy) - looking at a 450 rear end right now, there's no way that big comstar would fit in there.
I assume the front would be the same. 750 forks are wider apart than 500/550, as I recall. _________________ Bill Lane - CB200-CM200-CB450-C70M-CL350
"When your only tool is a hammer,
everything starts to look like a nail."
Joined: Oct 02, 2006 Posts: 2050 Location: New Britian, CT
Posted: Thu Jan 19, 2012 3:39 pm Post subject:
I do have set of CB750 Silver comstars that I am willing to part with. Hit me up with a PM and I might be able to help you out with some wheels. I did have a set of Nighthawk wheels but now I only got the rear. Lester actually made wheels for a lot of different bikes, and they were quite popular, that Yamaha actually copied the design for their triples.
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