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> New tires for my bike, radial vs bias
Dawg
post Feb 21 2014, 06:19 PM
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BIKE: FLHX Street Glide
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I own a 2010 FLHX (SG) and was planning on buying the Metzeler 888's. I notice that the fronts are radials and back always seem to be bias. So I did a little research and found that bias tires you feel more of the bumps than radials. I know its probably a matter of preference, but can I do both radials? Or is there some kinda unwritten law that the back should be bias? Or is it because of cost? Or does it affect handling in some sort of way? New at this.
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Bamsambo
post Feb 21 2014, 07:01 PM
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The main difference between bias ply and radial ply tire is how the tire is constructed. The cords underneath the tire are run in different directions. On a bias tire, the cords run at a 32 degree angle from the direction of travel and on a radial tire, the cords will run at 90 degrees from direction of travel, or across the tire from wheel lip to wheel lip.

Because of the construction of a radial tire, the tire has more flex and will allow for more ground contact. That will improve traction and better tread wear. It also gives the radial tire better stability.

A bias tire will have a stiffer sidewall and shoulder, which will increase heat buildup in the tire. The radial tire will run cooler which will help the tire last longer, especially when the tire is under a load. At one time the cost was a big difference, but now with the radial tires being close in price they are a much better value.


I've been running Dunlop 402's forever with no problems.
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Jarhead
post Feb 21 2014, 07:24 PM
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Wow! Outstanding answer Sammy. I have heard and read a lot of explanations but yours was much more clear and concise (IMG:http://www.harleyshoptalk.net/forums/style_emoticons/default/thumb.gif)
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wholehog
post Feb 22 2014, 09:21 AM
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careful with metzlers....the ones from Brazil have reported tread separation problems.....ones from Germany are OK if you can find them
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Dawg
post Feb 23 2014, 07:26 PM
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Very good ,but what about mixing the two?
Thanx all for your input.
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