Quote:
Originally Posted by sendler
Sorry. This is not the case at all. You are getting hooked in by the treadwear adds. The tire companies are banking on the fact that you will loose the receipt or forget. 35,000 miles is tops on all kinds of cars. OEM tires and replacements. SUV's get 25,000. I see thousands of cars come through my shop per year for 28 years.
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Anyway it takes 28 gallons of oil to make 4 tires that will be used to burn 875 gallons of gas in a car to go 35,000 miles. 56 gallons (or less since they are half the size) to make 8 tires ( I won't use even 3 in the front but whatever) to burn 440 gallons of gas to cover 35,000 miles on the bike. The bike still wins by a factor of 2. Bringing tires into this discussion is a complete non issue.
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I'll believe it when I see it, or proof of it. My experience is contrary to what you're stating, but maybe I'm just lucky. I've had sets of tires rated for a 40k/50k miles treadlife warranty last that (Or a little less if I didn't rotate them) and I've had tires rated for 80k last 60k before a defect in the steel belts ruined them (They were later rated for 40k because of this). In terms of tread they were fine and would have lasted if not for the weird deformation. I currently have a set rated for 85k and 100k on two cars, so as usual time will tell.
Like I said before, I'm not talking about total lifecycle energy usage, I was just talking about the difference in embodied energy, which narrows when considering rubber use. This comment was in response to Frank's comment about embodied energy, not total energy use.