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Old 07-29-07, 12:13 PM
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notzofast
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Originally Posted by DMF
In other words, unlike car tires bike tire treads don't pump water so they aren't directional. It's possible for a carcass to be directional, but that would be well indicated on the tire.



I disagree with that. Water yea. But what about a patch of sand on a perfectely road like road with black smooth asphalt?


Even if you hit it straight you will go side ways. Threads provide traction. More so when you taking turns over something like that.


Gum, sand, dirt, you see all those things on the road. Threads are important. Besides, often time you don't just ride asphalt or concrete. Sometime you ride some very smooth surfaces, such as rails, red beauty bricks, painted concreate, lane markings. When those are wet, and if you on the slick you gonna slide.

Sliding is reduced when you have treads.
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