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| Whosthedaddy |
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 Whosthedaddy Super Spammer
Joined: 11 Dec 2005 Karma :    
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 Posted: 14:03 - 07 Oct 2010 Post subject: How old is your helmet? |
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I was always under the impression that a lid will potentially fatigue through UV and wear and tear and should be replaced every 2 years or so?
Is this just a marketing ply to get you to buy a new lid?
Is it mainly aimed at FB or plastic lids?
My Shoei XR1000 is 3 years old now and still just as comfy as the day I bought it. Why the fec would I spend another £300+ on a new lid when this one hasn't even a scratch on it?
Anyone actually change their lids routinely or just when crashed (or not even when thay happens)? ____________________ Current : MSX 125 Past : CBR 900RR Monkeybike : c50 LAC : ZXR750 H2 : FZR600 : ZX7R P3 : YW100 : TRX850: Trophy 900 T309 : GSXR 600 L0: Monkeybike : XJ6S Whosthedaddy |
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| N cee thirty |
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 N cee thirty Banned

Joined: 31 Jan 2010 Karma :     
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| Ol |
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 Ol World Chat Champion

Joined: 07 Aug 2009 Karma :  
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 Posted: 14:11 - 07 Oct 2010 Post subject: |
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had my carbon HJC HQ-1 for 3 / 4 years... still fit's spot on and is as light as any new helmets i've seen so i'll stick with it for now. Would change it if i had loads of money floating about, but i dont, so i wont !
https://t0.gstatic.com/images?q=tbn:krQIJhwYU9TUXM:https://www.motorbikecrazy.com/acatalog/hjc-hq1.jpg&t=1 ____________________ Previous: Cub50, NRG50, TS50, YB100, CB125, NSR125, ZZR600, CBF1000, SV650s, ZX6R B1H, XT250, Mito Powered Crosser, WRF450, , FZ600, VN800, GSXR600 - Currently CB1000R |
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| DrDonnyBrago |
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 DrDonnyBrago World Chat Champion

Joined: 03 Jan 2010 Karma :   
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| Paxovasa |
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 Paxovasa World Chat Champion

Joined: 25 Apr 2010 Karma :   
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| MarJay |
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 MarJay But it's British!

Joined: 15 Sep 2003 Karma :     
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| Whosthedaddy |
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 Whosthedaddy Super Spammer
Joined: 11 Dec 2005 Karma :    
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| N cee thirty |
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 N cee thirty Banned

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| FLV |
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 FLV Trackday Trickster

Joined: 18 Aug 2010 Karma :     
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| gmanxiii |
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 gmanxiii World Chat Champion

Joined: 20 Nov 2006 Karma :   
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| kawashima |
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 kawashima World Chat Champion

Joined: 03 May 2005 Karma :    
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| pepperami |
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 pepperami Super Spammer

Joined: 17 Jan 2010 Karma :    
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 Posted: 15:32 - 07 Oct 2010 Post subject: Re: How old is your helmet? |
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| colin1 |
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 colin1 Captain Safety
Joined: 17 Feb 2005 Karma :  
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 Posted: 15:35 - 07 Oct 2010 Post subject: |
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Over the years, I have had different attitudes to helmets. When I first got a bike, I had to get a new helmet. An HJC not the cheapest, not the priciest. Then I did a test ride of a bike at the NEC bike show, and they let me use an Arai Astro R. Great helmet. Then I decided that you could get second hand premium helmets with little use from people who do occasional weekend use put replace once a year. I also couldnt see the point in patterned helmets as solid colours look better.
I got a second hand Astro R, but daily use of a solid colour helmet, meant this premium lid ended up looking a little less good due to little marks.
I was in an accident with a head impact, that scraped the back of the helmet, so got money for a fresh one, and got another astro R with a pattern. I was a bit miffed they no longer did the original solid colour, but soon found the pattern covered up little marks.
About this time, I decided that the biggest reason for replacing a helmet, is the polystyrene which does all the energy absoprtion, gets squished every time you take the helmet on and off. Thats why after a year or so of regular use, it becomes a looser fit. Looser fit means less protection.
So now I use an old lid or a cheaper commuter lid for around town low speed stuff, and save the good lid for fast speed stuff, where the the comfier vents etc make more of a difference on a long run.
I've also realised the merits of helmet bags. If you only take it out of the bag, before you are about to put it on, and put it back in immediately afterwards, you cant really mark the lid. Its so easy to mark a lid otherwise.
So my views in a nutshell- the outer shell of a helmet is tough and isnt the reason for frequent helmet replacing. The important bit of a helmet, is the cheapest bit, the polystyrene, and it becomes looser with use, in particular the taking off and putting on.
So on that basis, frequently replacing a cheap lid that gets a lot of use, and having a good lid for higher speed stuff and longer journey times, is the best solution for me.
When I say frequent, I mean once every year or two, whereas the good lid, I'd be happy to replace only once every 5-10 years. ____________________ colin1 is officially faster than god |
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| MarJay |
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 MarJay But it's British!

Joined: 15 Sep 2003 Karma :     
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| ThoughtContro... |
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 ThoughtContro... World Chat Champion

Joined: 14 Aug 2008 Karma :   
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 Posted: 15:54 - 07 Oct 2010 Post subject: |
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The main thing you'd worry about aging is the Polycarbonate shell. With time it becomes brittle,
https://findarticles.com/p/articles/mi_hb3367/is_9_49/ai_n45099881/
I don't know how well the resin used in Fibre Glass ages. I'd guess in both cases they err on the side of safety by a large margin for the 2/5 year replacement guideline. A carbon lid is likely to be the same as glass fibre unless they use a resin like epoxy with different aging properties.
With Carbon and other hi-tech laminates being used in aviation I'd be curious if the same age related replacement guidelines exist, a la "OMFG the carbon spar of your glider wing is x years old, replace it or you'll fall out of the sky!!111" type of thing. ____________________ Prize cunt
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"In a world of universal deceit telling the truth is a revolutionary act" - George Orwell |
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| Kickstart |
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 Kickstart The Oracle

Joined: 04 Feb 2002 Karma :     
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 Posted: 16:03 - 07 Oct 2010 Post subject: |
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Hi
Think years ago it was recommended to replace any lid every 2 years. Seems to be a bit stretched now (although I think ACU rules for racing might specify 2 years old at most), but probably depends a lot on how it is treated.
Polycarbonate lids are VERY strong. For impact resistance to the outer shell I suspect far stronger than grp. People can smash grp lids with a hammer quite easily while polycarbonate ones will take hours of bashing (seen it done) without a crack. However that resistance to damage might not be the best thing to absorb an impact without passing on much to the wearer. Also polycarbonate lids can be easily damaged by solvents (such as petrol).
My current lid probably is 5 years old and I probably should replace it.
All the best
Keith ____________________ Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing |
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| colin1 |
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 colin1 Captain Safety
Joined: 17 Feb 2005 Karma :  
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| Kris |
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 Kris World Chat Champion

Joined: 03 Feb 2002 Karma :   
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 Posted: 16:34 - 07 Oct 2010 Post subject: |
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Ladies, calm it.
Seeing as I have an accident roughly every 3 years I don't think I'll ever suffer the problem of age-related issues.  ____________________ NSR125RR - ZXR750H1 - ZX9R E1 - GSF600S - GSF600SK3 - VFR400-NC30 - SV1000N - ST1100-R - CBR900RR-R - GSF1200SK5 - GSF600SK1 - VFR1200FA - GSXR1000K2 - ZZR1400 D8F
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| 27cows |
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 27cows World Chat Champion

Joined: 01 Nov 2009 Karma :  
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| ollieholt |
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 ollieholt World Chat Champion

Joined: 09 Apr 2010 Karma :  
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| colin1 |
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 colin1 Captain Safety
Joined: 17 Feb 2005 Karma :  
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| Kickstart |
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 Kickstart The Oracle

Joined: 04 Feb 2002 Karma :     
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| rac3r |
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 rac3r World Chat Champion

Joined: 04 Sep 2007 Karma :  
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 Posted: 17:33 - 07 Oct 2010 Post subject: |
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Where does it say when you need to replace? I've had my Marushin 2/3 years ____________________ Bikes : 2006 CBR125R - 2004 Monster 620ie - 2004 ZX-6R B1H - 2005 Monster S2R 800 - 2011 Street Triple - 2009 Streetfighter 1098 - 2014 ZX-6R 636
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| colin1 |
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 colin1 Captain Safety
Joined: 17 Feb 2005 Karma :  
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| Ariel Badger |
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 Ariel Badger Super Spammer

Joined: 02 Dec 2006 Karma :     
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Old Thread Alert!
The last post was made 15 years, 308 days ago. Instead of replying here, would creating a new thread be more useful? |
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