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New bike for Jay



 
 
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  #151  
Old September 13th 17, 05:07 AM posted to rec.bicycles.tech
Ralph Barone[_4_]
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Posts: 106
Default New bike for Jay

Frank Krygowski wrote:
On Tuesday, September 12, 2017 at 3:27:34 PM UTC-4, jbeattie wrote:


This appears to be my only option for a fast, safe bike:
https://cdn.shopify.com/s/files/1/14...g?v=1478720465
According to Grant, it comes with disc brakes:
https://www.rivbike.com/pages/disc-brakes

I'm ordering today and waiting the 6-9 months because my safety is important.


Good! It's about time you became cool.

- Frank Krygowski



The extra down tube makes it 50% safer than your regular bike.

Ads
  #152  
Old September 13th 17, 08:49 AM posted to rec.bicycles.tech
John B.[_3_]
external usenet poster
 
Posts: 3,661
Default New bike for Jay

On Wed, 13 Sep 2017 04:07:08 +0000 (UTC), Ralph Barone
wrote:

Frank Krygowski wrote:
On Tuesday, September 12, 2017 at 3:27:34 PM UTC-4, jbeattie wrote:


This appears to be my only option for a fast, safe bike:
https://cdn.shopify.com/s/files/1/14...g?v=1478720465
According to Grant, it comes with disc brakes:
https://www.rivbike.com/pages/disc-brakes

I'm ordering today and waiting the 6-9 months because my safety is important.


Good! It's about time you became cool.

- Frank Krygowski



The extra down tube makes it 50% safer than your regular bike.


Given that the normal bicycle frame is comprised of 7 tubes wouldn't
adding one more make the formula something like 8/7, or only 14%
stronger :-?
--
Cheers,

John B.

  #153  
Old September 13th 17, 01:53 PM posted to rec.bicycles.tech
Ralph Barone[_4_]
external usenet poster
 
Posts: 106
Default New bike for Jay

John B. wrote:
On Wed, 13 Sep 2017 04:07:08 +0000 (UTC), Ralph Barone
wrote:

Frank Krygowski wrote:
On Tuesday, September 12, 2017 at 3:27:34 PM UTC-4, jbeattie wrote:


This appears to be my only option for a fast, safe bike:
https://cdn.shopify.com/s/files/1/14...g?v=1478720465
According to Grant, it comes with disc brakes:
https://www.rivbike.com/pages/disc-brakes

I'm ordering today and waiting the 6-9 months because my safety is important.

Good! It's about time you became cool.

- Frank Krygowski



The extra down tube makes it 50% safer than your regular bike.


Given that the normal bicycle frame is comprised of 7 tubes wouldn't
adding one more make the formula something like 8/7, or only 14%
stronger :-?
--
Cheers,

John B.



We can argue the fine details, but either way, the conclusion has to be
SAFETY!
:-)

  #154  
Old September 13th 17, 02:08 PM posted to rec.bicycles.tech
AMuzi
external usenet poster
 
Posts: 9,080
Default New bike for Jay

On 9/13/2017 2:49 AM, John B. wrote:
On Wed, 13 Sep 2017 04:07:08 +0000 (UTC), Ralph Barone
wrote:

Frank Krygowski wrote:
On Tuesday, September 12, 2017 at 3:27:34 PM UTC-4, jbeattie wrote:


This appears to be my only option for a fast, safe bike:
https://cdn.shopify.com/s/files/1/14...g?v=1478720465
According to Grant, it comes with disc brakes:
https://www.rivbike.com/pages/disc-brakes

I'm ordering today and waiting the 6-9 months because my safety is important.

Good! It's about time you became cool.

- Frank Krygowski



The extra down tube makes it 50% safer than your regular bike.


Given that the normal bicycle frame is comprised of 7 tubes wouldn't
adding one more make the formula something like 8/7, or only 14%
stronger :-?
--
Cheers,

John B.


To a framebuilder, a complete boxed tube set is eleven tubes.


--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971


  #155  
Old September 13th 17, 02:10 PM posted to rec.bicycles.tech
[email protected]
external usenet poster
 
Posts: 3,346
Default New bike for Jay

On Wednesday, September 13, 2017 at 12:49:17 AM UTC-7, John B. wrote:
On Wed, 13 Sep 2017 04:07:08 +0000 (UTC), Ralph Barone
wrote:

Frank Krygowski wrote:
On Tuesday, September 12, 2017 at 3:27:34 PM UTC-4, jbeattie wrote:


This appears to be my only option for a fast, safe bike:
https://cdn.shopify.com/s/files/1/14...g?v=1478720465
According to Grant, it comes with disc brakes:
https://www.rivbike.com/pages/disc-brakes

I'm ordering today and waiting the 6-9 months because my safety is important.

Good! It's about time you became cool.

- Frank Krygowski



The extra down tube makes it 50% safer than your regular bike.


Given that the normal bicycle frame is comprised of 7 tubes wouldn't
adding one more make the formula something like 8/7, or only 14%
stronger :-?


Engineering excellence in action.
  #156  
Old September 13th 17, 03:55 PM posted to rec.bicycles.tech
Ralph Barone[_4_]
external usenet poster
 
Posts: 106
Default New bike for Jay

AMuzi wrote:
On 9/13/2017 2:49 AM, John B. wrote:
On Wed, 13 Sep 2017 04:07:08 +0000 (UTC), Ralph Barone
wrote:

Frank Krygowski wrote:
On Tuesday, September 12, 2017 at 3:27:34 PM UTC-4, jbeattie wrote:


This appears to be my only option for a fast, safe bike:
https://cdn.shopify.com/s/files/1/14...g?v=1478720465
According to Grant, it comes with disc brakes:
https://www.rivbike.com/pages/disc-brakes

I'm ordering today and waiting the 6-9 months because my safety is important.

Good! It's about time you became cool.

- Frank Krygowski



The extra down tube makes it 50% safer than your regular bike.


Given that the normal bicycle frame is comprised of 7 tubes wouldn't
adding one more make the formula something like 8/7, or only 14%
stronger :-?
--
Cheers,

John B.


To a framebuilder, a complete boxed tube set is eleven tubes.



Crap. Now I'm really confused.
2 seat stays
2 chain stays
Seat tube
Bottom bracket (or doesn't this count as a tube?)
Top tube
Down tube
Head tube

And optionally
2 fork blades
Steerer

So I get either 9 or 12. Which piece is optional?
  #157  
Old September 13th 17, 04:07 PM posted to rec.bicycles.tech
[email protected]
external usenet poster
 
Posts: 6,275
Default New bike for Jay

So why not another Robaix ?
  #158  
Old September 13th 17, 05:04 PM posted to rec.bicycles.tech
JBeattie
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Posts: 2,820
Default New bike for Jay

On Wednesday, September 13, 2017 at 8:07:31 AM UTC-7, wrote:
So why not another Robaix ?


Not current production because I don't want a pogo stick. The headshock thing is not my cup of tea. The old model had funny steering geometry, but no springs, and it was fine when I dropped the stem a bit. I was really liking the bike before it got swiped.

Specialized also has the SCS (short chain stay) "technology" (i.e. incompatibility), so if you want to throw on OTC wheels from another manufacturer, you're screwed. With my old Roobay, I could swap a derailleur hanger, and that would allow me to use other wheels. The SCS technology was minimal on that bike. That isn't the case with the new through axle models. If I get a fast rain bike, it's going to be plain-Jane non-proprietary stuff. The Norco is like that -- to the extent that you can be plain-Jane with through axles. The standards are changing every ten minutes. I might just stick with the Norco -- or Oxy. There is a Norco epidemic you know.

-- Jay Beattie.

  #159  
Old September 13th 17, 05:08 PM posted to rec.bicycles.tech
Duane[_2_]
external usenet poster
 
Posts: 35
Default New bike for Jay

On 13/09/2017 12:04 PM, jbeattie wrote:
On Wednesday, September 13, 2017 at 8:07:31 AM UTC-7, wrote:
So why not another Robaix ?


Not current production because I don't want a pogo stick. The headshock thing is not my cup of tea. The old model had funny steering geometry, but no springs, and it was fine when I dropped the stem a bit. I was really liking the bike before it got swiped.

Specialized also has the SCS (short chain stay) "technology" (i.e. incompatibility), so if you want to throw on OTC wheels from another manufacturer, you're screwed. With my old Roobay, I could swap a derailleur hanger, and that would allow me to use other wheels. The SCS technology was minimal on that bike. That isn't the case with the new through axle models. If I get a fast rain bike, it's going to be plain-Jane non-proprietary stuff. The Norco is like that -- to the extent that you can be plain-Jane with through axles. The standards are changing every ten minutes. I might just stick with the Norco -- or Oxy. There is a Norco epidemic you know.



For a rain bike, maybe a Secteur?
  #160  
Old September 13th 17, 05:21 PM posted to rec.bicycles.tech
SMS
external usenet poster
 
Posts: 8,025
Default New bike for Jay

On 9/12/2017 9:07 PM, Ralph Barone wrote:
Frank Krygowski wrote:
On Tuesday, September 12, 2017 at 3:27:34 PM UTC-4, jbeattie wrote:


This appears to be my only option for a fast, safe bike:
https://cdn.shopify.com/s/files/1/14...g?v=1478720465
According to Grant, it comes with disc brakes:
https://www.rivbike.com/pages/disc-brakes

I'm ordering today and waiting the 6-9 months because my safety is important.


Good! It's about time you became cool.

- Frank Krygowski



The extra down tube makes it 50% safer than your regular bike.


That's hard to quantify. If you look at tube sets over at
http://www.cycle-frames.com/bicycle-frame-tubing/TUBE-SETS/ they come
with nine tubes. Adding that extra tube would not add 50% safety, even
if the increase in safety is not linear.

But why would Jay stop at only a double down tube. There are also bikes
with dual top tubes.
https://s-media-cache-ak0.pinimg.com/originals/0f/3f/f0/0f3ff0c0c4818eed30add4c508e5727a.jpg.
I've not seen a bike with dual top tubes AND dual down tubes, but I'm
sure a custom frame builder could do something like that.

I recall that there was one tandem manufacturer that put out a low end
model without the dual downtube, and with standard diameter steel tubes
and it was very squirrely. There are some newer models without the dual
downtube but they use much larger diameter aluminum tubes to compensate.



 




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