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  #21  
Old 26.09.2014, 18:15
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Re: Cycling blow out - possible causes?

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Schwalbe Lugano 700x23c

No idea on protection strip.
I have no direct experience with those tyres - they claim to have a kevlar protection belt, but if you are mainly using for commuting and training rides (ie not racing) I would thoroughly recommend replacing with Continental Gator Hardshells.

Also, go for 25C - they give a little bit more cushioning and grip apparently for no loss in speed.
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  #22  
Old 26.09.2014, 18:47
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Re: Cycling blow out - possible causes?

How old were the tyres? I've had this happen once on a tyre that had perished, even though it'd not been on the bike very long. I'd had it as a spare for some years, then on the bike for just a year or two (that's "not very long" in my book).

But it was quite clear to me that the rubber was perished, so I'd think if that were the case you'd have noticed as well.
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  #23  
Old 26.09.2014, 19:27
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Re: Cycling blow out - possible causes?

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How old were the tyres? I've had this happen once on a tyre that had perished, even though it'd not been on the bike very long. I'd had it as a spare for some years, then on the bike for just a year or two (that's "not very long" in my book).

But it was quite clear to me that the rubber was perished, so I'd think if that were the case you'd have noticed as well.
I believe it was a new bike, so one would hope it didn't come with old tyres - which I would hard to swallow.
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  #24  
Old 26.09.2014, 19:44
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Re: Cycling blow out - possible causes?

It must have been one of those nasty road pins scattered around by vicious drivers ... Sometimes they might appear facing up ...
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  #25  
Old 26.09.2014, 21:10
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Re: Cycling blow out - possible causes?

Excess weight?


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  #26  
Old 26.09.2014, 21:15
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Re: Cycling blow out - possible causes?

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old tyres - which I would hard to swallow.
You have to shred them, apparently.
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  #27  
Old 26.09.2014, 21:45
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Re: Cycling blow out - possible causes?

The way you described the incident; the first thing that came to my mind is to ask how much do you weight?

Given that most Brits are much taller hence heavier than average Swiss, especially the Romands, my guess is that your tires' maximum load is less than your weight.

Rough pavement + heavier weight = more friction = premature wear

If this assumption is true, you may consider buying a bike like this
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  #28  
Old 26.09.2014, 21:49
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Re: Cycling blow out - possible causes?

A glitch in the Matrix
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  #29  
Old 26.09.2014, 22:41
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Re: Cycling blow out - possible causes?

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  #30  
Old 26.09.2014, 22:49
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Re: Cycling blow out - possible causes?

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The way you described the incident; the first thing that came to my mind is to ask how much do you weight?

Given that most Brits are much taller hence heavier than average Swiss, especially the Romands, my guess is that your tires' maximum load is less than your weight.

Rough pavement + heavier weight = more friction = premature wear

If this assumption is true, you may consider buying a bike like this


Snow tires?!?


You don't have to fit snow tires for at least another couple of months!


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  #31  
Old 27.09.2014, 13:13
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Re: Cycling blow out - possible causes?

I once found a shrivelled garden slug on a tyre on a bike which I had stored for some time. The fluid from the slug had destroyed the rubber to the extent that the inner tube was partially visible.
Had I not noticed this and simply used the bike again, it would probably have had a similar blow out to the one described in the OP.
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  #32  
Old 27.09.2014, 19:08
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Re: Cycling blow out - possible causes?

The tyres came with the bike so are ~2 months old and I've cycled about 480 km on them so far.
Anyway, I removed the wheel and there is indeed a ~5mm long puncture in the inner tube. Think I might pick up a couple of the Gatorskins as recommended. I don't race, but bike purely for the pleasure/fitness aspect.
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  #33  
Old 27.09.2014, 19:52
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Re: Cycling blow out - possible causes?

If possible, take the tire to the dealer (where you bought the bike). Sometimes the vendor accept it as a replacement (production failure/error in the batch).
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  #34  
Old 28.09.2014, 22:58
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Re: Cycling blow out - possible causes?

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If possible, take the tire to the dealer (where you bought the bike). Sometimes the vendor accept it as a replacement (production failure/error in the batch).
Would be tricky, I bought it online.
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  #35  
Old 28.09.2014, 23:20
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Re: Cycling blow out - possible causes?

It is worth checking your tyres for foreign objects every now and then. Bits of glass/wire even sharp stones can cause issue over time even after 400 km's .. good quality tyres will save pain in the long run. If a tyre starts getting lots of punctures buy new ones the pain is just not worth the couple of bucks. GP4000 are decent ones
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  #36  
Old 29.09.2014, 00:55
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Re: Cycling blow out - possible causes?

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Would be tricky, I bought it online.
Just send them an email explaining the premature damage to their first class equipment and all that jazz. The renown online shops take such incidents seriously with customer complaints which may tarnished their well deserved reputation. You never know, it's always worth trying anyway. There is only one way to find out.
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  #37  
Old 29.09.2014, 02:12
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Re: Cycling blow out - possible causes?

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Rim overheating. I just read up on it on a bike forum. I had no idea it could cause a blow-out - apparently rim gets so hot it softens/melts the tyre or bead and if its a loose fitting rim, the tyre can pop off and tube blows, presumably high pressure is needed too. However, the forum contributors also emphasized it is very rare and even if you *try* to make it happen over a very long steep descent - e.g. by braking hard for a few kms down a 15% grade - even then, its hard to get a pop.

I think you just had a faulty tyre or a foreign object.

I haven't had a puncture in the last 9,000 kms of road cycling.

Since you're getting a new tyre, try kevlar reinforced tyre


or buy the kevlar strips you can put between yhe tube and tyre.
I had lots of flats with a Kevlar strip, go with the tire with built-in armour jacket/kevlar of sorts, keep the tire inflated at 7-10psi ABOVE the tires' recomended max.

Stay away from Continetal tires unless they are made in DE; otherwise garbage regardless of price tag
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  #38  
Old 29.09.2014, 11:27
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Re: Cycling blow out - possible causes?

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I had lots of flats with a Kevlar strip, go with the tire with built-in armour jacket/kevlar of sorts, keep the tire inflated at 7-10psi ABOVE the tires' recomended max.

Stay away from Continetal tires unless they are made in DE; otherwise garbage regardless of price tag
Never heard of any particular need to run a tyre above recommended max. Why would you do that?

I run Continental on all of my bikes, typically at 105-120psi, from Competition tubulars on the race bike through some GP4000s to Gator Hardshells on the commuter. Nothing but good things to say and can't remember the last time I had a puncture (based on 6-8,000km per year).
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  #39  
Old 29.09.2014, 14:28
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Re: Cycling blow out - possible causes?

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Never heard of any particular need to run a tyre above recommended max. Why would you do that?.
I had tons of pinch flats until I started running my tires above the recommended psi;
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Old 29.09.2014, 14:45
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Re: Cycling blow out - possible causes?

Is there any limit on the pressure a tube can tolerate? I'm terrified the bloody thing is going to explode.

Speaking of punctures, my luck in this respect is pretty poor. Was out on the MTB yesterday, was about 1.5km from home and suffered a front pinch flat going up a small curb. Stupidly, I didn't have my spares or tools with me (saddle pouch currently attached to my road bike), so it was an uphill trek back home. Nice day though, fortunately.
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