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New Tires - Manufactured Date - What is Fair and Reasonable
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Cormanus Online
Moderator

Queensland, Australia
Posts: 10,946
Joined: Dec 2013
Post: #21
RE: New Tires - Manufactured Date - What is Fair and Reasonable
I find myself in an ambiguous position. I don't resile from my statement that Marc should get tyres he's comfortable with or it may affect his riding. That said, Ulvetanna makes some very good points about the need for science rather than prejudice to guide us on matters such as tyre life. He gives some good examples of where coming to terms with prejudice and overcoming it is wise.

Now to a question about tyre life. (And I'm sorry, but I'm Australian and will continue to spell tyre with a 'y'.) There's an interesting article here, but it didn't answer my question.

What is meant by the so-called 5-year rule? Does it mean that tyres should not be used after they are 5-years old or more? Or does it mean they should not be stored for more that 5 years? There's a difference. If they shouldn't be used after 5 years, then the age at purchase becomes important and will vary depending on how long the tyre is expected to be on the bike. A bloke like Ferret could happily buy an older tyre than a bloke like Guth.

But if they shouldn't be stored for more than 5 years without being fitted, it suggests there's another factor which is: what is the reasonable life expectancy of a tyre once it's been fitted? Obviously a range of factors like climate and use and so forth will affect that, but there is likely to be a moment at which the tyre becomes a liability only because of the age of it's structure. The question that arises in my mind is whether the Ferret or other high mileage rider could safely purchase a 5-year old, properly stored tyre and still expect it to perform well give it won't last more than a year?

Otherwise tyre manufacturers and suppliers need to be asking riders a whole set of important questions when they sell them a tyre.
Yesterday 02:59 PM
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Marc Offline
Break-In Period

Metcalfe, Ontario, Canada
Posts: 11
Joined: Feb 2018
Post: #22
RE: New Tires - Manufactured Date - What is Fair and Reasonable
Thanks for the thoughtful replies. In my case, I will likely only put 1500 km per year on this bike. Sad I know. So they will be replaced due to age and likely not wear.

Again my inquiry to the forum was to ensure that I was not being unreasonable in my expectations of a new tire.

Here is the reply that I received from my retailer earlier today that I feel provides some useful insight from the retailers perspective:

"You're not being picky at all, this is completely understandable. 3 years is definitely a little older than what we'd like to sell, though we unfortunately don't get the chance to inspect any tire's manufacturing date before it ships, as we order them fresh from our distributor. The vast majority are between 6 months and 2 years old, though there is the odd outlier. In any case, we're happy to exchange them at no cost if you ever receive tires that are over 3 years old."

So it would appear that from this retailers perspective they think it's fair to expect a tire to be less than two years old when purchased as new.

Hope this helps others in their expections when buying new tires. In the future, I will use 24 months as my expectation for my road tires.

Marc
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Yesterday 05:57 PM
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Ulvetanna Away
Road Warrior

USA
Posts: 1,675
Joined: Apr 2016
Post: #23
RE: New Tires - Manufactured Date - What is Fair and Reasonable
(Yesterday 05:57 PM)Marc Wrote:  Thanks for the thoughtful replies. In my case, I will likely only put 1500 km per year on this bike. Sad I know. So they will be replaced due to age and likely not wear.

Again my inquiry to the forum was to ensure that I was not being unreasonable in my expectations of a new tire.

Here is the reply that I received from my retailer earlier today that I feel provides some useful insight from the retailers perspective:

"You're not being picky at all, this is completely understandable. 3 years is definitely a little older than what we'd like to sell, though we unfortunately don't get the chance to inspect any tire's manufacturing date before it ships, as we order them fresh from our distributor. The vast majority are between 6 months and 2 years old, though there is the odd outlier. In any case, we're happy to exchange them at no cost if you ever receive tires that are over 3 years old."

So it would appear that from this retailers perspective they think it's fair to expect a tire to be less than two years old when purchased as new.

Hope this helps others in their expections when buying new tires. In the future, I will use 24 months as my expectation for my road tires.
With those use parameters, yep, go with skins within 24 months old, because tyres age much more quickly once they're mounted and exposed to the elements. If a tyre stays on any bike of mine for a year, that would be unusual. I don't think that's ever happened. So for me, no problem.

I recently had to replace a set of tires on an SUV I rarely drive, which is parked outside. After four years, the sidewalls were cracked quite noticeably. But the tyres only had 7,000 miles on them. Auto tires are sold much faster than m/c tires so the DOT age stamp is far less a concern, though.
Yesterday 06:15 PM
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jimgl3 Offline
1st Service Completed

Covington, Ga
Posts: 207
Joined: Apr 2015
Post: #24
RE: New Tires - Manufactured Date - What is Fair and Reasonable
it took you 5 years to need new tires? !!!!!!! jeeze!!!
Yesterday 08:51 PM
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Ulvetanna Away
Road Warrior

USA
Posts: 1,675
Joined: Apr 2016
Post: #25
RE: New Tires - Manufactured Date - What is Fair and Reasonable
(Yesterday 08:51 PM)jimgl3 Wrote:  it took you 5 years to need new tires? !!!!!!! jeeze!!!
I only ever use that thing to pull my trailer.
Yesterday 10:58 PM
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