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New Bridgestone Air Free Bicycle Tires

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New Bridgestone Air Free Bicycle Tires

Old 04-21-17, 04:45 PM
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exBromptonite
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New Bridgestone Air Free Bicycle Tires

designboom.com/technology/bridgestone-air-free-bicycle-tires-04-20-2017/ and others.

This is a new design that's making the rounds in gadget type blogs in the last 24 hours. Any thoughts about it?

Apart no-flats in the usual sense, I can see some possible advantage in shock absorbance, sort of like what Loopwheel tried.
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Old 04-21-17, 05:11 PM
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Looks very similar to the Michelin Tweel introduced around 2005 to lots of publicity. It's found some specialized applications (NASA, yard equipment, etc.) but doesn't seem to be ideal for minimum rolling resistance.
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Old 04-21-17, 05:24 PM
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Think of the air resistance of those fat 'spokes!'
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Old 04-21-17, 05:24 PM
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Well, it's been about 6 months since the last airless-tire thread, so I guess it's time for a new one. And, just like the last 100-some-odd ideas, I predict that this one will fail, too.
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Old 04-21-17, 09:57 PM
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Won't people just let a failed idea stay failed. Why does every one of these yahoo's think they have some grand new idea for a product that has been failing for over a 100 years? There is a reason why pneumatic tires have stuck around and will be around for a long time and it ain't because of marketing B.S. If you can't fix a flat, you shouldn't own a bike. It is the most basic maintenance that everyone should be able to do (unless of course you have medical issues preventing that in which case your LBS will do it)

If you use good tires and keep them at proper pressures and try your best to avoid road nasties you are less likely to get flats. Much better than getting a crappy bike that is equipped with failure.
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Old 04-22-17, 05:44 AM
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Originally Posted by veganbikes View Post
Won't people just let a failed idea stay failed. Why does every one of these yahoo's think they have some grand new idea for a product that has been failing for over a 100 years? There is a reason why pneumatic tires have stuck around and will be around for a long time and it ain't because of marketing B.S. If you can't fix a flat, you shouldn't own a bike. It is the most basic maintenance that everyone should be able to do (unless of course you have medical issues preventing that in which case your LBS will do it)

If you use good tires and keep them at proper pressures and try your best to avoid road nasties you are less likely to get flats. Much better than getting a crappy bike that is equipped with failure.
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Old 04-22-17, 07:11 AM
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I'm skeptical, but it would be fun to see one of these wheelsets and try it out for myself.

Possibly there is a niche use case, as I imagine there is for other approaches that have been tried.

The wheels in the linked-to blog post seem to me like they would reduce and severely limit build options. There would be no more choosing of hubs independent of the rims. And what would do with large diameter hubs like the NuVinci Nfinity series? Would there be enough diameter to spare to mount a hub in the wheelset as show? Similar questions spring to mind about smaller-diameter wheels such as are used on bikes for children.

What about lateral flex when cornering?

What about when I want to try out a different tire design? Is there even the concept of tires in this approach? From the photo, it looks like wearing out a tire means throwing out the entire wheel.

I don't know why Bridgestone would be tying the release of these wheels to the next Olympics. No one will bet their medal on an unproven concept.

What about when one of these wheels goes out of true? You know it will happen. What's the fix?

Then there is cost. There's a tremendous infrastructure dedicated to producing inexpensive, spoked wheels. Can these airless wheels be produced for bikes that sell at Walmart for $89.99?

There's probably a niche use case, and maybe more than niche if the price can be driven downward to Walmart levels.
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Old 04-22-17, 08:32 AM
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Maybe an application for the various city bike-share programs.
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Old 04-22-17, 09:06 AM
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Originally Posted by veganbikes View Post
....If you can't fix a flat, you shouldn't own a bike.....
Well, I'd add this: If you can't fix a flat OR CAN'T AFFORD TO PAY SOMEBODY TO FIX IT FOR YOU, then you shouldn't own a bike. Stick with jogging/rollerblading.
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Old 04-22-17, 09:14 AM
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Anyone know what's on the back wheel? Those can't be, but sure look like v-brakes.

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Old 04-22-17, 09:59 AM
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I think its a built in bike lock on the back wheel
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Old 04-22-17, 12:47 PM
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Originally Posted by nasabiker View Post
I think its a built in bike lock on the back wheel
+1

Zoom in and you'll see the key.
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Old 04-22-17, 01:35 PM
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Originally Posted by veganbikes View Post
...If you can't fix a flat, you shouldn't own a bike.....unless of course you have medical issues .... in which case your LBS will do it.
I can fix flats during summer easily enough.
But I've got Raynauld's Syndrome.
Means my fingers and toes lose blood supply and go numb at a hint of cold.
A summer flat is a nuisance.
A winter flat can cost me nails and weeks of pain and discomfort.
Most of my rides are commutes.
When I'm heading to work just about all my friends are also heading to work.
Calling for a pickup isn't likely to work out well.
Not many taxis are willing to pick up bikes.
A lbs isn't a particular helpful option for a roadside flat.
A decent flat-proof tire would make my rides October-April a lot safer.
Originally Posted by veganbikes View Post
Won't people just let a failed idea stay failed. Why does every one of these yahoo's think they have some grand new idea for a product that has been failing for over a 100 years?
Because there's a difference between what you're willing to accept and what you appreciate.
No one enjoys fixing flat. It's the price we pay for the good things with pneumatic tires.
If you could get (close enough to) the same ride w/o the risk of flats, who wouldn't go for it?
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Old 04-22-17, 01:50 PM
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Originally Posted by dabac View Post
I can fix flats during summer easily enough.
But I've got Raynauld's Syndrome.
Means my fingers and toes lose blood supply and go numb at a hint of cold.
A summer flat is a nuisance.
A winter flat can cost me nails and weeks of pain and discomfort.
Most of my rides are commutes.
When I'm heading to work just about all my friends are also heading to work.
Calling for a pickup isn't likely to work out well.
Not many taxis are willing to pick up bikes.
A lbs isn't a particular helpful option for a roadside flat.
A decent flat-proof tire would make my rides October-April a lot safer.


Because there's a difference between what you're willing to accept and what you appreciate.
No one enjoys fixing flat. It's the price we pay for the good things with pneumatic tires.
If you could get (close enough to) the same ride w/o the risk of flats, who wouldn't go for it?
I also have Raynauds and it sucks. I dread having a flat out in the sticks on a county road in the middle of nowhere. That's when I will call my wife. At least I can't have a flat running in the cold.
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Old 04-22-17, 06:01 PM
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Originally Posted by dabac View Post
I can fix flats during summer easily enough.
But I've got Raynauld's Syndrome.
Means my fingers and toes lose blood supply and go numb at a hint of cold.
A summer flat is a nuisance.
A winter flat can cost me nails and weeks of pain and discomfort.
Most of my rides are commutes.
When I'm heading to work just about all my friends are also heading to work.
Calling for a pickup isn't likely to work out well.
Not many taxis are willing to pick up bikes.
A lbs isn't a particular helpful option for a roadside flat.
A decent flat-proof tire would make my rides October-April a lot safer.


Because there's a difference between what you're willing to accept and what you appreciate.
No one enjoys fixing flat. It's the price we pay for the good things with pneumatic tires.
If you could get (close enough to) the same ride w/o the risk of flats, who wouldn't go for it?
That has got to suck. However you have medical conditions you are exempt from my statement.

Nope I wouldn't change because no such tire can or ever will exist. It is an idea that hundreds have tried and none have worked. They ride like garbage and the only way I could see them working is putting those airless tires on a downhill bike and running that on the road and that is a horrible idea. People keep trying to reinvent the square wheel hoping somehow this time they have it right but no matter what the round wheel will always win.

Certainly for folks with medical conditions and also the rest of the populace there are at least plenty of good fairly flat resistant tires and if you can keep them properly inflated flats are rare. There is also tubeless which can do a quite nice job keep flats at bay.

Originally Posted by AlexCyclistRoch View Post
Well, I'd add this: If you can't fix a flat OR CAN'T AFFORD TO PAY SOMEBODY TO FIX IT FOR YOU, then you shouldn't own a bike. Stick with jogging/rollerblading.
Nope. If you cannot fix it yourself (unless you have medical conditions which prevent that or are a small child) then you shouldn't have a bike. It is the most basic repair and people should always feel degraded when they go to a bike shop for us to fix it for you unless it is a particularly tricky tire or some issue you cannot diagnose or you have a medical condition.

I can understand having issues working on a derailleur or replacing brake pads or something but with the abundance of flat fix videos and instructions all over the net and on tube boxes (at least Q Tubes had them) and plenty of other places it is silly to not be able to fix a flat (unless you physically can't).

Changing a flat for the first time can be a very empowering experience and when I did my first flat fix I felt so awesome afterwards and every time I do still on my own bikes it feels great (except when having to install an open tubular tire which ships flat (unlike a regular clincher which is shaped that was a pain)

Originally Posted by IndianaRecRider View Post
Thanks : )
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Old 04-22-17, 07:22 PM
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Originally Posted by exBromptonite View Post
designboom.com/technology/bridgestone-air-free-bicycle-tires-04-20-2017/ and others.

This is a new design that's making the rounds in gadget type blogs in the last 24 hours. Any thoughts about it?

Apart no-flats in the usual sense, I can see some possible advantage in shock absorbance, sort of like what Loopwheel tried.
From the article:

"and bridgewater are working to maximize the cyclical use of warn tires right back into new ones."

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