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  #1  
Old 10th September 2017, 11:56 AM
Quetzalcoatlus the Pterodactyloid Pterosaur's Avatar
Quetzalcoatlus the Pterodactyloid Pterosaur Quetzalcoatlus the Pterodactyloid Pterosaur is offline
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Biker.ie Member No. 32434 from Kildare
549 posts since Nov 2013
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Default helmet lifespan

do helmets have a lifespan?

i have had my one for a few years now. has never been dropped and i keep it in good order but have just been thinking how long should you realistically keep a helmet for?
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  #2  
Old 10th September 2017, 12:02 PM
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generalisimo muldoon generalisimo muldoon is offline
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Biker.ie Member No. 15208 from Leamlarastan
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Default Re: helmet lifespan

Wondering the same myself. I have my Arai about 8 years now but dont have €500 to replace it.
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  #3  
Old 10th September 2017, 12:08 PM
johnny b johnny b is online now
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Biker.ie Member No. 5067 from Kildare-ish.
4,342 posts since Apr 2007
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Default Re: helmet lifespan

The consensus in the bike mags etc is 5 years.
Dont know what science is behind those claims.
You dont have to replace your 500e Arai with a 500e Arai, try shark, agv or any other named brands for half that.

You have to weigh up weather an 8 year old 500e helmet is as good or worse than a 250e brand new one.
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  #4  
Old 10th September 2017, 12:10 PM
D1Dman D1Dman is offline
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Biker.ie Member No. 35312 from Deepsouth
322 posts since Sep 2015
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Default Re: helmet lifespan

Was told years ago by a safety instructor, a helmets life span was five years max from manufacture not from the day you buy it as it may have been sitting in a warehouse, then a shop store before it was bought fo 6 months to a year.And in the five years better products will have come on the market.And you get what you pay for.Maken the point you have only one head !
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  #5  
Old 10th September 2017, 12:52 PM
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Biker.ie Member No. 19332 from Dublin
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Default Re: helmet lifespan

The UV has an effect on the helmet material, hence why you get a helmet bag to keep it in as it keeps it out of the light.
Ive heard the 5 years but if its kept out of sunlight and harsh condition it will be okay.
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  #6  
Old 10th September 2017, 01:10 PM
Greyfour Greyfour is offline
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40 posts since Nov 2015
Motorbike: cb 400sf, cb1000 big one
Default Re: helmet lifespan

How is the consensus of 5 yrs reached by the bike mags? If we look at the relationship between the publishing industry and manufacturers then it's fairly plain to see that he who pays the piper calls the tune! Are there any scientific tests published that conclusively show that there is some form of material degradation that limits helmet life to 5 yrs? Maybe there is, just putting it out there, a 2yr old helmet that commutes daily in all weather's will be in far worse condition than a 10yr old helmet that's only used for an occasional dry Sunday run? The world is run by marketers whose black art skills are constantly working subliminally
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  #7  
Old 10th September 2017, 01:14 PM
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Captain Louis Renault Captain Louis Renault is offline
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Biker.ie Member No. 25437 from cork
926 posts since Mar 2011
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Default Re: helmet lifespan

Most of the manufacturers recommend replace every 5 years (like D1Dman said from date of manufacture), less if any bumps or drops. Mine is 5 years old now but as I am currently looking for work, it will be when funds allow that I replace. Store mine in bag and in wardrobe.
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  #8  
Old 10th September 2017, 01:15 PM
davybrown99 davybrown99 is offline
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Default Re: helmet lifespan

Put much everything has a lifespan/shelf life now. I personally wouldn't be concerned about it. Especially if the helmet has been looked after. Perhaps the manufacturers factor in a general level of hard wear and tear. My job in manufacturing uses resins, grp, carbon and plastics. Aside from physical damage to the materials (especially the padding and lining) UV damage to the outer shell would be the biggest concern, so a helmet sitting in a box shouldn't really age at all until it's exposed and even then there wouldn't be a significant detrimental effect over five years. However newer models on the market should be better over the five year period. Having said that. A 500 quid helmet over five years works out about 25 cent a day or something. Pretty good return for your investment. Personally I'd save and get another. I'm sure yours will last the length of time it takes to save for another.
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  #9  
Old 10th September 2017, 02:01 PM
VJMC VJMC is offline
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Default Re: helmet lifespan

It used to be forever, then was 7 years officially from Arai, now 5??? what 1 year next?? It would be grand forever if you dont have a serious high speed crash, even then a new helmet may have no effect on the outcome as head injuries may not be an issue. But yep possibly 7 or more years
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  #10  
Old 10th September 2017, 02:26 PM
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generalisimo muldoon generalisimo muldoon is offline
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Biker.ie Member No. 15208 from Leamlarastan
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Default Re: helmet lifespan

Originally Posted by johnny b
The consensus in the bike mags etc is 5 years.
Dont know what science is behind those claims.
You dont have to replace your 500e Arai with a 500e Arai, try shark, agv or any other named brands for half that.

You have to weigh up weather an 8 year old 500e helmet is as good or worse than a 250e brand new one.
I bought a shark 2 years ago and hated it. Sold it to a buddy who loves it. Weird. I might try AGV.
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  #11  
Old 10th September 2017, 05:47 PM
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Default Re: helmet lifespan

Originally Posted by hornethead
The UV has an effect on the helmet material, hence why you get a helmet bag to keep it in as it keeps it out of the light.
Ive heard the 5 years but if its kept out of sunlight and harsh condition it will be okay.
But if you only ride in Ireland, it'll always be kept out of sunlight
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  #12  
Old 10th September 2017, 07:19 PM
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allsorts&oddjobs allsorts&oddjobs is offline
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Default Re: helmet lifespan

ive had lids for way more than five years several times, I keep it in a wardrobe when not being used.
if it got a bang id replace it, if it got loose on my head id replace it, if the interior got very worn id replace it - those are my parameters, im happy with them, work out yer own.
However I do think ten years would be as long as id be happy to trust it at the outside.
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  #13  
Old 10th September 2017, 07:41 PM
biker.fakey biker.fakey is offline
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115 posts since Nov 2011
Default Re: helmet lifespan

I was chatting to couple of helmet techs at last years TT, they explained that the polystyrene type stuff that lines the inside of the helmet is designed and engineered to absorb the impact and energy in a crash, over the years the material hardens and so become less effective, so they recommend 5 years to replacement, wasn't even a sales pitch cos they weren't selling anything
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  #14  
Old 10th September 2017, 08:19 PM
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PADDYOT PADDYOT is offline
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Biker.ie Member No. 3193 from 0 to 60 in about 3.2 sec
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Default Re: helmet lifespan

Old helmets never die....

Click the image to open in full size.
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  #15  
Old 10th September 2017, 09:04 PM
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Default Re: helmet lifespan

I think its a bit like old tyres, we know the rubber gets hard as it ages and loses grip.. do you say " aw fuck it , I'll chance it and take it handy " or worry and replace it. I have one bike on 9 year old tyres but I don't ride it very far on wet roads . For peace of mind if you can afford it change it I think
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  #16  
Old 10th September 2017, 09:15 PM
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Default Re: helmet lifespan

Helmet manufacturers in "You need to buy a new one of our helmets every 5 years" shocker!

It's a load of bollocks. Rumours started by helmet manufacturers to sell more helmets.

Helmets don't degrade any significant amount while they're sat in a box on a shelf.
I'd have zero worries wearing a 10 year old helmet.
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  #17  
Old 10th September 2017, 09:21 PM
Fred Flinstone Fred Flinstone is offline
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171 posts since Aug 2016
Motorbike: GSX-R750, CB500
Default Re: helmet lifespan

Helmets material gets brittle with age. It will get oxidised over time even if it's kept sitting in the original packaging unopened. If you value your brain, then you won't wear an old helmet.
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  #18  
Old 10th September 2017, 09:26 PM
D1Dman D1Dman is offline
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Biker.ie Member No. 35312 from Deepsouth
322 posts since Sep 2015
Motorbike: GSXR600k7
Modifications: tiny no plate.
Default Re: helmet lifespan

Brains is the problem alrite !
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  #19  
Old 10th September 2017, 09:27 PM
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Vjmc.Cork Vjmc.Cork is online now
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Biker.ie Member No. 24081 from Near Wild Heaven
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Default Re: helmet lifespan

You should buy a new helmet every year.I mean how could you be seen in last years model with last years paintscheme.
Peasants the lot of ye.
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  #20  
Old 10th September 2017, 09:40 PM
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Gixxer Gixxer is online now
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Biker.ie Member No. 19392
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Default Re: helmet lifespan

Originally Posted by Fred Flinstone
Helmets material gets brittle with age. It will get oxidised over time even if it's kept sitting in the original packaging unopened. If you value your brain, then you won't wear an old helmet.
I'm not saying you're wrong, but do you have any links to any tests, or other hard evidence to back that up?
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