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1kg tire + tube (ouch)

Old 05-19-12, 04:55 PM
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fstshrk
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1kg tire + tube (ouch)

Today, I replaced the tires and the tubes that came on my touring bike (2009 Jamis Aurora). I had around 3K miles on these and thought that they could use a bit of freshening up.

When I took the tires/tubes off, I was shocked. Combined they weighed a bit under 1 kg each. The tires are Vittoria Randonneur and the tubes were the thickest and heaviest tubes I had ever seen.

I put a set of 700x28 Conti Grand Prix + Michelin tubes at a weight of roughly 400g.

And then went for a 21 mile hilly ride. Wow, it's as if I am riding a brand new and much lighter bike. I hope they remain flat free like the tires I took off.
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Old 05-19-12, 05:07 PM
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If you want to stay flat free you can no longer ride through the rocks and glass on the shoulder.
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Old 05-19-12, 05:16 PM
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I don't go out of my way to do it, but I ride through rocks and glass practically every day with Conti 4000s. Haven't had a flat in over 1000 miles this year.
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Old 05-19-12, 05:16 PM
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Did it have thorn-resistant tubes?
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Old 05-19-12, 05:46 PM
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Originally Posted by Shimagnolo View Post
Did it have thorn-resistant tubes?
I think those are the thick tubes he is talking about.
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Old 05-19-12, 05:54 PM
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OEM tires and tubes are often heavy at this price point.

The Vittoria Randonneur Hyper is 450 grams in a 700x32 size.
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Old 05-19-12, 06:12 PM
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Originally Posted by Shimagnolo View Post
Did it have thorn-resistant tubes?
Yes, thorn resistant tubes. I did not weigh them separately to tell you the weight. They are amazingly thick.
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Old 05-19-12, 06:13 PM
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Originally Posted by Barrettscv View Post
OEM tires and tubes are often heavy at this price point.

The Vittoria Randonneur Hyper is 450 grams in a 700x32 size.
I looked up this particular tire (and it is not the Hyper), the weight claimed is 535 g.
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Old 05-19-12, 06:15 PM
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I once ordered a pair of thorn resistant tubes for my commuting bike (26").
When they arrived, I opened the package...holy crap these things are heavy and huge!!!
I never did use them.
They are probably still in a box in the garage.
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Old 05-19-12, 06:42 PM
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I bought a pair of Panaracer Pasela TG in 700x35 for my commuter today. Got home and read the label - 500 grams each.
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Old 05-19-12, 06:43 PM
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Originally Posted by fstshrk View Post
I looked up this particular tire (and it is not the Hyper), the weight claimed is 535 g.
The Vittoria Randonneur rigid version is 580 grams, to be precise:https://www.vittoria.com/en/product/c...g/#product-145
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Old 05-19-12, 07:18 PM
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Originally Posted by Barrettscv View Post
The Vittoria Randonneur rigid version is 580 grams, to be precise:https://www.vittoria.com/en/product/c...g/#product-145
I stand corrected :-)
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Old 05-19-12, 09:30 PM
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I did a couple thousand miles of winter/spring training on Nokian Extreme 294 studded tires, which are about 1kg per tire without tubes. Heavy tire make you strong like ox!
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Old 05-19-12, 10:23 PM
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I just put on a set of Schwalbe Marathon Plus 700x25 at 580 g each. I'm surprised at how heavy they feel. I'll try them on a tour and hope they pay off in spares not carried, flats not fixed in the rain, etc.

So why would someone use thorn-resistant tubes with puncture-resistant tires (on the OP's bike)? Sound like belt-and-suspenders. I'm using the lightest tubes I can find with my Schwalbes. Is that a bad idea?
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Old 05-19-12, 10:49 PM
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Originally Posted by andrewclaus View Post
So why would someone use thorn-resistant tubes with puncture-resistant tires (on the OP's bike)?
If it was deliberate, one possible reason is that thorn-resistant tubes resist pinch flats very effectively compared to standard or lightweight tubes. Can't tell you how many times I've sold TR tubes to the parent of kids who keep pinch-flatting their BMX/freestyle/dirt-jumper/urban bike.
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Old 05-20-12, 12:48 AM
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havent had a flat for over 2300miles on my conti 4000s with specialized tubes.
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