Longer wearing tires
#21
RE: Longer wearing tires
Back in the day, you could get 20,000 out of all your tires. Well, you'd wear out the firstrear tire in 10,000 miles, but after that, you rotated the front to the rear and put the new tire on the front. Since there was very little wear to the front tire, it kept its radius pretty much, and when put on the rear, it was as good as a new tire. It would still give you 10,000miles. On a bagger that is.
Then some fool decided to dedicate a tire for the front only, and the other for the rear only.[:@]
Then some fool decided to dedicate a tire for the front only, and the other for the rear only.[:@]
#22
Join Date: Aug 2005
Location: Manningtree, England
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RE: Longer wearing tires
ORIGINAL: TexasRedneck
Sorry...but unless you really understand rubber compounding and tire manufacturing, you can't begin to understand the complexities involved. Part of our family has been involved in tires for decades, so I have a VERY limited knowledge of it - but suffice it to say that the technical challenges are VERY significant. They've worked on multi-compound tires for a number of years, but so far I know of no manufacturer that's made it work.
Sorry...but unless you really understand rubber compounding and tire manufacturing, you can't begin to understand the complexities involved. Part of our family has been involved in tires for decades, so I have a VERY limited knowledge of it - but suffice it to say that the technical challenges are VERY significant. They've worked on multi-compound tires for a number of years, but so far I know of no manufacturer that's made it work.
As far as changing the profile of the tyre as some have mentioned by adding tread at the centre, this is pretty much a no go as it will alter the handling on the bike and quicken turn in, which is good on a sports bike but not no desireable on a fully loaded bagger.
I am sure that eventually the mileage will go up on our tyres, hell 30 years ago the rubber on our baggers would have been considered sporty, now some of my mates on their Ducatti's and GSXR's only manage around 1500 miles on a rear.
#23
Join Date: Aug 2005
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RE: Longer wearing tires
ORIGINAL: jeffro308
Yur math is wrong everyone knows that Pi Are Square is the circumfrence of a circle. Now I was exlpained to that cake are square and pie are round but there didn't used to be tires so they didn't understand advanced tire mathematicism. Since tires are round then it makes sence to me. I extracrapolated a difference of 4% based on a 23" loaded tire circumfrence and a loss of 1/2" of tread. Still could get you a ticket if your riding 5 MPH over and yourriding through a kicker county. Too bad Bill Gates ain't a biker or he'd be cool.
23
11.5
415.265
22.5
11.25
397.4063
17.85875
4%
ORIGINAL: WildBill2566
loose 1/2" tread thats 1" off the tyre diameter. Thats 3.14" off the rolling circumference per wheel revolution. Thats a long way out and if I got it right would put your speedo out by a tad under 9% without any other errors.
loose 1/2" tread thats 1" off the tyre diameter. Thats 3.14" off the rolling circumference per wheel revolution. Thats a long way out and if I got it right would put your speedo out by a tad under 9% without any other errors.
23
11.5
415.265
22.5
11.25
397.4063
17.85875
4%
Circumference of a circle = (Pi x D) or [Pi x (R2)]
Area of a circle = [Pi x (Radius x Radius)]
The radius of a circle is 3 inches. What is the area?
Solution:
= 3.14 · (3 in) · (3 in)
= 3.14 · (9 in2)
= 28.26 in2
#26
RE: Longer wearing tires
There are so many variables to getting mileage out of tires. Loaded weight, air pressure, speed and curves all work to wear the tires. My friend who has a Fatboy consistantly gets 15-16 out of his rear tire because he rides easy and the bike is lighter than my RK. I can only wish to get 12 out of my rear tire and usually only get 9-10, IF I keep my hand out of the 95". After a ride to the "Dragon Tail" ( all twisties) last year I noticed a lot of tread gone on the front tire. So bottom line it all depends on you the rider and how / where you ride.
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