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Handebar broke off - nasty cash



 
 
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  #31  
Old August 5th 19, 09:36 PM posted to rec.bicycles.tech
Tom Kunich[_5_]
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Posts: 761
Default Handebar broke off - nasty cash

On Monday, August 5, 2019 at 1:03:30 PM UTC-7, jbeattie wrote:

Yes and no. I've broken steel pedal spindles catastrophically. Spokes go all at once. Steel fasteners snap -- axles, too. Lots of steel things will snap, including bars after enough high energy fatigue cycles.

-- Jay Beattie.


I broke a Look steel pedal spindle on a couple of occasions. Had steel saddle rails break off and steel spokes break in one swell foop. I have seen steel bicycle frames fail suddenly and steel bars suddenly bend upon hitting a pothole.

Nothing is permanent in this world so I got used to it.
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  #32  
Old August 5th 19, 09:55 PM posted to rec.bicycles.tech
Joerg[_2_]
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Posts: 5,821
Default Handebar broke off - nasty cash

On 2019-08-05 13:36, Tom Kunich wrote:
On Monday, August 5, 2019 at 1:03:30 PM UTC-7, jbeattie wrote:

Yes and no. I've broken steel pedal spindles catastrophically.
Spokes go all at once. Steel fasteners snap -- axles, too. Lots of
steel things will snap, including bars after enough high energy
fatigue cycles.

-- Jay Beattie.



Cast steel will fail suddenly but with any kind of pipe structure that's
rare.


I broke a Look steel pedal spindle on a couple of occasions. Had
steel saddle rails break off and steel spokes break in one swell
foop. I have seen steel bicycle frames fail suddenly and steel bars
suddenly bend upon hitting a pothole.


A pothole can be like an accident, like hitting an object.


Nothing is permanent in this world so I got used to it.


However, one should seek the more permanent stuff versus the less than
permanent stuff. It's like with cars. Japanese ones are among the best
but even they break down. My wife's Toyota developed a steering rack
leak afer 23 years. Unbelievable. Only 23 years. $940 later it's all
fixed. At least it didn't fail on the road, just very gradually. My
Mitsubishi is 22 years and, nada. Not even a dome light has had the
audacity to burn out. I sure wish bicycle manufacturers would learn
about that level of quality.

--
Regards, Joerg

http://www.analogconsultants.com/
  #33  
Old August 5th 19, 11:10 PM posted to rec.bicycles.tech
Sir Ridesalot
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Posts: 4,489
Default Handebar broke off - nasty cash

On Monday, August 5, 2019 at 4:55:14 PM UTC-4, Joerg wrote:
On 2019-08-05 13:36, Tom Kunich wrote:
On Monday, August 5, 2019 at 1:03:30 PM UTC-7, jbeattie wrote:

Yes and no. I've broken steel pedal spindles catastrophically.
Spokes go all at once. Steel fasteners snap -- axles, too. Lots of
steel things will snap, including bars after enough high energy
fatigue cycles.

-- Jay Beattie.



Cast steel will fail suddenly but with any kind of pipe structure that's
rare.


I broke a Look steel pedal spindle on a couple of occasions. Had
steel saddle rails break off and steel spokes break in one swell
foop. I have seen steel bicycle frames fail suddenly and steel bars
suddenly bend upon hitting a pothole.


A pothole can be like an accident, like hitting an object.


Nothing is permanent in this world so I got used to it.


However, one should seek the more permanent stuff versus the less than
permanent stuff. It's like with cars. Japanese ones are among the best
but even they break down. My wife's Toyota developed a steering rack
leak afer 23 years. Unbelievable. Only 23 years. $940 later it's all
fixed. At least it didn't fail on the road, just very gradually. My
Mitsubishi is 22 years and, nada. Not even a dome light has had the
audacity to burn out. I sure wish bicycle manufacturers would learn
about that level of quality.

--
Regards, Joerg

http://www.analogconsultants.com/


Maybe you should use the tires and other components these guys use?

https://www.youtube.com/watch?v=J_IFoSKTl1Y

I'm sure the trails in your area are not as knarly as whatthese guys are riding over.

Cheers
  #34  
Old August 5th 19, 11:22 PM posted to rec.bicycles.tech
Joerg[_2_]
external usenet poster
 
Posts: 5,821
Default Handebar broke off - nasty cash

On 2019-08-05 15:10, Sir Ridesalot wrote:
On Monday, August 5, 2019 at 4:55:14 PM UTC-4, Joerg wrote:
On 2019-08-05 13:36, Tom Kunich wrote:
On Monday, August 5, 2019 at 1:03:30 PM UTC-7, jbeattie wrote:

Yes and no. I've broken steel pedal spindles catastrophically.
Spokes go all at once. Steel fasteners snap -- axles, too. Lots of
steel things will snap, including bars after enough high energy
fatigue cycles.

-- Jay Beattie.


Cast steel will fail suddenly but with any kind of pipe structure that's
rare.


I broke a Look steel pedal spindle on a couple of occasions. Had
steel saddle rails break off and steel spokes break in one swell
foop. I have seen steel bicycle frames fail suddenly and steel bars
suddenly bend upon hitting a pothole.


A pothole can be like an accident, like hitting an object.


Nothing is permanent in this world so I got used to it.


However, one should seek the more permanent stuff versus the less than
permanent stuff. It's like with cars. Japanese ones are among the best
but even they break down. My wife's Toyota developed a steering rack
leak afer 23 years. Unbelievable. Only 23 years. $940 later it's all
fixed. At least it didn't fail on the road, just very gradually. My
Mitsubishi is 22 years and, nada. Not even a dome light has had the
audacity to burn out. I sure wish bicycle manufacturers would learn
about that level of quality.

--
Regards, Joerg

http://www.analogconsultants.com/


Maybe you should use the tires and other components these guys use?


Well, I do have an MTB steel handlebar on the road bike now. Also MTB
pedals (for years).


https://www.youtube.com/watch?v=J_IFoSKTl1Y

I'm sure the trails in your area are not as knarly as whatthese guys are riding over.


That's steep but not gnarly at all. Gnarly to me means full of ruts, big
rocks and stuff. Things where you can get really hurt in a crash. Here
is one of our trails and that is gnarly:

https://www.youtube.com/watch?v=y38JzV-ueXI

People have died on that one. Went off the cliff edge which doesn't look
dangerous but the grease brush doesn't hold anyhting and afterwards it's
an almost vertical fall (onto rocks).

--
Regards, Joerg

http://www.analogconsultants.com/
  #35  
Old August 6th 19, 12:28 AM posted to rec.bicycles.tech
Sir Ridesalot
external usenet poster
 
Posts: 4,489
Default Handebar broke off - nasty cash

On Monday, August 5, 2019 at 6:22:32 PM UTC-4, Joerg wrote:
On 2019-08-05 15:10, Sir Ridesalot wrote:
On Monday, August 5, 2019 at 4:55:14 PM UTC-4, Joerg wrote:
On 2019-08-05 13:36, Tom Kunich wrote:
On Monday, August 5, 2019 at 1:03:30 PM UTC-7, jbeattie wrote:

Yes and no. I've broken steel pedal spindles catastrophically.
Spokes go all at once. Steel fasteners snap -- axles, too. Lots of
steel things will snap, including bars after enough high energy
fatigue cycles.

-- Jay Beattie.


Cast steel will fail suddenly but with any kind of pipe structure that's
rare.


I broke a Look steel pedal spindle on a couple of occasions. Had
steel saddle rails break off and steel spokes break in one swell
foop. I have seen steel bicycle frames fail suddenly and steel bars
suddenly bend upon hitting a pothole.


A pothole can be like an accident, like hitting an object.


Nothing is permanent in this world so I got used to it.


However, one should seek the more permanent stuff versus the less than
permanent stuff. It's like with cars. Japanese ones are among the best
but even they break down. My wife's Toyota developed a steering rack
leak afer 23 years. Unbelievable. Only 23 years. $940 later it's all
fixed. At least it didn't fail on the road, just very gradually. My
Mitsubishi is 22 years and, nada. Not even a dome light has had the
audacity to burn out. I sure wish bicycle manufacturers would learn
about that level of quality.

--
Regards, Joerg

http://www.analogconsultants.com/


Maybe you should use the tires and other components these guys use?


Well, I do have an MTB steel handlebar on the road bike now. Also MTB
pedals (for years).


https://www.youtube.com/watch?v=J_IFoSKTl1Y

I'm sure the trails in your area are not as knarly as whatthese guys are riding over.


That's steep but not gnarly at all. Gnarly to me means full of ruts, big
rocks and stuff. Things where you can get really hurt in a crash. Here
is one of our trails and that is gnarly:

https://www.youtube.com/watch?v=y38JzV-ueXI

People have died on that one. Went off the cliff edge which doesn't look
dangerous but the grease brush doesn't hold anyhting and afterwards it's
an almost vertical fall (onto rocks).

--
Regards, Joerg

http://www.analogconsultants.com/


Did you watch the ENTIRE video?

Cheers
  #36  
Old August 6th 19, 01:41 AM posted to rec.bicycles.tech
Andre Jute[_2_]
external usenet poster
 
Posts: 9,259
Default Crashing and Aging

On Monday, August 5, 2019 at 9:29:26 PM UTC+1, Tom Kunich wrote:
On Monday, August 5, 2019 at 1:33:00 AM UTC-7, Andre Jute wrote:

Somebody on my ride was saying only the other day that crashes at our age are so much more consequential. Though they were talking about breaking a hip, I thought of that when a couple of days later I fell while dismounting from my bike (I hooked the mixte bar between my foot and its heel) and landed so heavily that the deep dent in my helmet looks like the most dangerous accident I've had in 30 years of cycling -- from a standstill! The helmet saved me from a gash on the head, painful stitches, and perhaps even a concussion. That's definitely worth its price.

Andre Jute
Not an old crock


Modern safety helmets reduce concussions not by softening the blow via cushioning with the Styrofoam but by fracturing and breaking via the "vent" holes in the helmet. I have a Bontrager Wavecell helmet and it has a lot less vents for two reasons - 1. Unlike Styrofoam air passes rather freely though the open core material and 2. you have to have the Wavecell material covering most of your head to have the expected effect.


So my helmet isn't wrecked by the impact-dent?

Separate question. That helmet is actually pretty old, being on its third bike. Is there a natural raging process (embrittling?) of helmet materials that requires helmets to be replaced after x time?

Andre Jute
  #37  
Old August 6th 19, 02:10 AM posted to rec.bicycles.tech
Sir Ridesalot
external usenet poster
 
Posts: 4,489
Default Crashing and Aging

On Monday, August 5, 2019 at 8:41:29 PM UTC-4, Andre Jute wrote:
On Monday, August 5, 2019 at 9:29:26 PM UTC+1, Tom Kunich wrote:
On Monday, August 5, 2019 at 1:33:00 AM UTC-7, Andre Jute wrote:

Somebody on my ride was saying only the other day that crashes at our age are so much more consequential. Though they were talking about breaking a hip, I thought of that when a couple of days later I fell while dismounting from my bike (I hooked the mixte bar between my foot and its heel) and landed so heavily that the deep dent in my helmet looks like the most dangerous accident I've had in 30 years of cycling -- from a standstill! The helmet saved me from a gash on the head, painful stitches, and perhaps even a concussion. That's definitely worth its price.

Andre Jute
Not an old crock


Modern safety helmets reduce concussions not by softening the blow via cushioning with the Styrofoam but by fracturing and breaking via the "vent" holes in the helmet. I have a Bontrager Wavecell helmet and it has a lot less vents for two reasons - 1. Unlike Styrofoam air passes rather freely though the open core material and 2. you have to have the Wavecell material covering most of your head to have the expected effect.


So my helmet isn't wrecked by the impact-dent?

Separate question. That helmet is actually pretty old, being on its third bike. Is there a natural raging process (embrittling?) of helmet materials that requires helmets to be replaced after x time?

Andre Jute


I think that aging of the foam in a helmet depends on t he foam material itself plus incidentals such as exposure to sunlight (UVA/UVB rays)bumps it has suffered and even exposure to sweat. I have an old hard-shell Vetta helmet here that appears to be in mint condition. I guess it'd take a microscopic examination of the underlying foam section to tell if the foam has deteriorated.

Manufacturers like to sell helmets and also protect themselves from litigation and thus many helmet manufacturers tell customers to replace the helmet every five years or some other number of years and also to replace the helmet if it has suffered a hard knock or fall.

Cheers
  #38  
Old August 6th 19, 05:55 AM posted to rec.bicycles.tech
Andre Jute[_2_]
external usenet poster
 
Posts: 9,259
Default Crashing and Aging

On Tuesday, August 6, 2019 at 2:10:34 AM UTC+1, Sir Ridesalot wrote:
On Monday, August 5, 2019 at 8:41:29 PM UTC-4, Andre Jute wrote:
On Monday, August 5, 2019 at 9:29:26 PM UTC+1, Tom Kunich wrote:
On Monday, August 5, 2019 at 1:33:00 AM UTC-7, Andre Jute wrote:

Somebody on my ride was saying only the other day that crashes at our age are so much more consequential. Though they were talking about breaking a hip, I thought of that when a couple of days later I fell while dismounting from my bike (I hooked the mixte bar between my foot and its heel) and landed so heavily that the deep dent in my helmet looks like the most dangerous accident I've had in 30 years of cycling -- from a standstill! The helmet saved me from a gash on the head, painful stitches, and perhaps even a concussion. That's definitely worth its price.

Andre Jute
Not an old crock

Modern safety helmets reduce concussions not by softening the blow via cushioning with the Styrofoam but by fracturing and breaking via the "vent" holes in the helmet. I have a Bontrager Wavecell helmet and it has a lot less vents for two reasons - 1. Unlike Styrofoam air passes rather freely though the open core material and 2. you have to have the Wavecell material covering most of your head to have the expected effect.


So my helmet isn't wrecked by the impact-dent?

Separate question. That helmet is actually pretty old, being on its third bike. Is there a natural raging process (embrittling?) of helmet materials that requires helmets to be replaced after x time?

Andre Jute


I think that aging of the foam in a helmet depends on t he foam material itself plus incidentals such as exposure to sunlight (UVA/UVB rays)bumps it has suffered and even exposure to sweat. I have an old hard-shell Vetta helmet here that appears to be in mint condition. I guess it'd take a microscopic examination of the underlying foam section to tell if the foam has deteriorated.

Manufacturers like to sell helmets and also protect themselves from litigation and thus many helmet manufacturers tell customers to replace the helmet every five years or some other number of years and also to replace the helmet if it has suffered a hard knock or fall.

Cheers


Thanks, Ridealot. I'll inspect the outside shell under a strong light and magnification for cracks. None are visible with the naked eye.

AJ
  #39  
Old August 6th 19, 08:55 AM posted to rec.bicycles.tech
John B. Slocomb
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Posts: 495
Default Handebar broke off - nasty cash

On Mon, 05 Aug 2019 13:55:13 -0700, Joerg
wrote:

On 2019-08-05 13:36, Tom Kunich wrote:
On Monday, August 5, 2019 at 1:03:30 PM UTC-7, jbeattie wrote:

Yes and no. I've broken steel pedal spindles catastrophically.
Spokes go all at once. Steel fasteners snap -- axles, too. Lots of
steel things will snap, including bars after enough high energy
fatigue cycles.

-- Jay Beattie.



Cast steel will fail suddenly but with any kind of pipe structure that's
rare.


I broke a Look steel pedal spindle on a couple of occasions. Had
steel saddle rails break off and steel spokes break in one swell
foop. I have seen steel bicycle frames fail suddenly and steel bars
suddenly bend upon hitting a pothole.


A pothole can be like an accident, like hitting an object.


Nothing is permanent in this world so I got used to it.


However, one should seek the more permanent stuff versus the less than
permanent stuff. It's like with cars. Japanese ones are among the best
but even they break down. My wife's Toyota developed a steering rack
leak afer 23 years. Unbelievable. Only 23 years. $940 later it's all
fixed. At least it didn't fail on the road, just very gradually. My
Mitsubishi is 22 years and, nada. Not even a dome light has had the
audacity to burn out. I sure wish bicycle manufacturers would learn
about that level of quality.


I see a 2020 Mitsubishi Eclipse, weighing in the neighborhood of 3500
lbs.and costing US$ 24,085. I suggest that anyone selling bicycles
built to those standards probably make a "live for ever" bicycle.
--

Cheers,

John B.
  #40  
Old August 6th 19, 03:45 PM posted to rec.bicycles.tech
Joerg[_2_]
external usenet poster
 
Posts: 5,821
Default Handebar broke off - nasty cash

On 2019-08-05 16:28, Sir Ridesalot wrote:
On Monday, August 5, 2019 at 6:22:32 PM UTC-4, Joerg wrote:
On 2019-08-05 15:10, Sir Ridesalot wrote:
On Monday, August 5, 2019 at 4:55:14 PM UTC-4, Joerg wrote:
On 2019-08-05 13:36, Tom Kunich wrote:
On Monday, August 5, 2019 at 1:03:30 PM UTC-7, jbeattie wrote:

Yes and no. I've broken steel pedal spindles catastrophically.
Spokes go all at once. Steel fasteners snap -- axles, too. Lots of
steel things will snap, including bars after enough high energy
fatigue cycles.

-- Jay Beattie.


Cast steel will fail suddenly but with any kind of pipe structure that's
rare.


I broke a Look steel pedal spindle on a couple of occasions. Had
steel saddle rails break off and steel spokes break in one swell
foop. I have seen steel bicycle frames fail suddenly and steel bars
suddenly bend upon hitting a pothole.


A pothole can be like an accident, like hitting an object.


Nothing is permanent in this world so I got used to it.


However, one should seek the more permanent stuff versus the less than
permanent stuff. It's like with cars. Japanese ones are among the best
but even they break down. My wife's Toyota developed a steering rack
leak afer 23 years. Unbelievable. Only 23 years. $940 later it's all
fixed. At least it didn't fail on the road, just very gradually. My
Mitsubishi is 22 years and, nada. Not even a dome light has had the
audacity to burn out. I sure wish bicycle manufacturers would learn
about that level of quality.

--
Regards, Joerg

http://www.analogconsultants.com/

Maybe you should use the tires and other components these guys use?


Well, I do have an MTB steel handlebar on the road bike now. Also MTB
pedals (for years).


https://www.youtube.com/watch?v=J_IFoSKTl1Y

I'm sure the trails in your area are not as knarly as whatthese guys are riding over.


That's steep but not gnarly at all. Gnarly to me means full of ruts, big
rocks and stuff. Things where you can get really hurt in a crash. Here
is one of our trails and that is gnarly:

https://www.youtube.com/watch?v=y38JzV-ueXI

People have died on that one. Went off the cliff edge which doesn't look
dangerous but the grease brush doesn't hold anyhting and afterwards it's
an almost vertical fall (onto rocks).

--
Regards, Joerg

http://www.analogconsultants.com/


Did you watch the ENTIRE video?


Yes.

--
Regards, Joerg

http://www.analogconsultants.com/
 




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