Go Back  Bike Forums > Bike Forums > Road Cycling
Reload this Page >

Update: Deng Fu R01/R02 - Broke it yesterday :)

Search
Notices
Road Cycling “It is by riding a bicycle that you learn the contours of a country best, since you have to sweat up the hills and coast down them. Thus you remember them as they actually are, while in a motor car only a high hill impresses you, and you have no such accurate remembrance of country you have driven through as you gain by riding a bicycle.” -- Ernest Hemingway

Update: Deng Fu R01/R02 - Broke it yesterday :)

Thread Tools
 
Search this Thread
 
Old 09-21-17, 02:41 PM
  #101  
Senior Member
 
Abe_Froman's Avatar
 
Join Date: Aug 2016
Location: Chicago
Posts: 2,524

Bikes: Marin Four Corners, 1960's Schwinn Racer in middle of restoration, mid 70s Motobecane Grand Touring, various other heaps.

Mentioned: 76 Post(s)
Tagged: 0 Thread(s)
Quoted: 9347 Post(s)
Liked 57 Times in 51 Posts
Originally Posted by Maelochs
I guess I need to crash more often to gather more data.
Don't. I did it last week. Had the nicest, gentlest, most graceful putdown of the bike possible at speed...and I still thought I may have slipped a disc in my back for 2 days.

Not as young as I used to be
Abe_Froman is offline  
Old 09-21-17, 03:44 PM
  #102  
Casually Deliberate
 
Ramona_W's Avatar
 
Join Date: Aug 2012
Location: Should have made a left turn near Albuquerque.
Posts: 4,449

Bikes: 1995 Trek 820, 1994 Trek 930 (project), 1/2 of a 1980s Colin Laing tandem

Mentioned: 16 Post(s)
Tagged: 1 Thread(s)
Quoted: 1163 Post(s)
Liked 11 Times in 5 Posts
Originally Posted by rpenmanparker
Let's hear what Dengfu says. I'm pretty sure that if they are not responsive, it can be repaired. For how much is the question.
I wonder if the friends/family Paypal thing is going to be an issue.
Ramona_W is offline  
Old 09-21-17, 04:24 PM
  #103  
aka Tom Reingold
 
noglider's Avatar
 
Join Date: Jan 2009
Location: New York, NY, and High Falls, NY, USA
Posts: 40,502

Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem

Mentioned: 511 Post(s)
Tagged: 0 Thread(s)
Quoted: 7348 Post(s)
Liked 2,465 Times in 1,433 Posts
Originally Posted by Maelochs
I guess I need to crash more often to gather more data.
Better get right on that.
__________________
Tom Reingold, tom@noglider.com
New York City and High Falls, NY
Blogs: The Experienced Cyclist; noglider's ride blog

“When man invented the bicycle he reached the peak of his attainments.” — Elizabeth West, US author

Please email me rather than PM'ing me. Thanks.
noglider is offline  
Old 09-21-17, 08:31 PM
  #104  
Senior Member
 
Maelochs's Avatar
 
Join Date: Oct 2015
Posts: 15,489

Bikes: 2015 Workswell 066, 2017 Workswell 093, 2014 Dawes Sheila, 1983 Cannondale 500, 1984 Raleigh Olympian, 2007 Cannondale Rize 4, 2017 Fuji Sportif 1 LE

Mentioned: 144 Post(s)
Tagged: 0 Thread(s)
Quoted: 7652 Post(s)
Liked 3,473 Times in 1,834 Posts
Tonight I broke a chain instead of crashing. I feel like I have let myself down.
Maelochs is offline  
Old 09-21-17, 10:21 PM
  #105  
Farmer tan
 
f4rrest's Avatar
 
Join Date: May 2008
Location: Burbank, CA
Posts: 7,986

Bikes: Allez, SuperSix Evo

Mentioned: 38 Post(s)
Tagged: 1 Thread(s)
Quoted: 2870 Post(s)
Liked 28 Times in 23 Posts
Originally Posted by Maelochs
Tonight I broke a chain instead of crashing. I feel like I have let myself down.
Too many watts.
f4rrest is offline  
Old 09-22-17, 04:47 AM
  #106  
Mr. Dopolina
 
Bob Dopolina's Avatar
 
Join Date: May 2007
Location: Taiwan
Posts: 10,217

Bikes: KUUPAS, Simpson VR

Mentioned: 4 Post(s)
Tagged: 0 Thread(s)
Quoted: 149 Post(s)
Liked 117 Times in 41 Posts
Originally Posted by Maelochs
No one knows if the knock-off frames, the Workswell/HongFu/DengFu/Flyxii frames are strong enough for the highest loads---or how the Giant, Trek, or Specialized or even Bianchi frames might fare---or if the tests have anything to do with real-world usage.
Yes, they do. Assembly factories test frames, so do others.

Originally Posted by Maelochs
The lesson here seems to be that beyond all the hype, CF frames fail more frequently than any other kind, no matter what the source--but not with the kind of life-threatening "asplosions" people used to speak of. I have seen and heard about frames from all different makers, from the largest and richest to the boutique to the cheap Chinese, failing from collision and sometimes from general usage.
No, carbon frames do NOT fail more than any other material. Carbon frames are far stronger and more durable than any other material currently being used.

Originally Posted by Maelochs
My takeaway is that CF is indeed more brittle than metal in many cycling applications, and people who want the CF benefits need to be realistic about potential CF drawbacks.
Carbon is only brittle when cheap resins are used.

Please update your information. It'sd 20 years old.
__________________
BDop Cycling Company Ltd.: bdopcycling.com, facebook, instagram



Bob Dopolina is offline  
Old 09-22-17, 09:13 AM
  #107  
Banned.
Thread Starter
 
Join Date: Sep 2012
Posts: 61
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 43 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Originally Posted by Ramona_W
I wonder if the friends/family Paypal thing is going to be an issue.
What would be the issue? They are replacing the frame. How you pay doesn't affect the warranty with the manufacturer - if it did, I wouldn't have paid that way.
67stang is offline  
Old 09-22-17, 09:13 AM
  #108  
Senior Member
 
Abe_Froman's Avatar
 
Join Date: Aug 2016
Location: Chicago
Posts: 2,524

Bikes: Marin Four Corners, 1960's Schwinn Racer in middle of restoration, mid 70s Motobecane Grand Touring, various other heaps.

Mentioned: 76 Post(s)
Tagged: 0 Thread(s)
Quoted: 9347 Post(s)
Liked 57 Times in 51 Posts
Originally Posted by Maelochs
Tonight I broke a chain instead of crashing. I feel like I have let myself down.
Watts wrong with your chain?
Abe_Froman is offline  
Old 09-22-17, 09:30 AM
  #109  
Senior Member
 
Join Date: Feb 2005
Location: New Jersry the beautiful Garden State
Posts: 1,920

Bikes: 2007 Ridley Excalibur, 2003 Orbea Orca, 199? Cannondale Headshock MTB hardtail

Mentioned: 29 Post(s)
Tagged: 0 Thread(s)
Quoted: 520 Post(s)
Likes: 0
Liked 10 Times in 10 Posts
Originally Posted by f4rrest
Too many watts.
Legs too big and easily snap silly puny chain.

ptempel is offline  
Old 09-22-17, 09:33 AM
  #110  
Banned.
Thread Starter
 
Join Date: Sep 2012
Posts: 61
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 43 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
Is it possible to keep this thread on topic?
67stang is offline  
Old 09-22-17, 09:42 AM
  #111  
Senior Member
 
Join Date: Feb 2005
Location: New Jersry the beautiful Garden State
Posts: 1,920

Bikes: 2007 Ridley Excalibur, 2003 Orbea Orca, 199? Cannondale Headshock MTB hardtail

Mentioned: 29 Post(s)
Tagged: 0 Thread(s)
Quoted: 520 Post(s)
Likes: 0
Liked 10 Times in 10 Posts
Sorry for the OT humor, @67stang. So are you getting a replacement from DengFu? For what its worth, I think any frame made out of any material can and do fail. Its really up to the workmanship. From my experience, I have seen two steel frames fail for me in the past (dropout came apart from the chainstaly on a Guerciotti and broke the seat tube near the BB on a Lemond 853). I currently have two CF frames (one 10 years old and other up to 14 years old) and have no issues with them yet.
ptempel is offline  
Old 09-23-17, 12:51 AM
  #112  
Zoom zoom zoom zoom bonk
 
znomit's Avatar
 
Join Date: Sep 2006
Location: New Zealand
Posts: 4,624

Bikes: Giant Defy, Trek 1.7c, BMC GF02, Fuji Tahoe, Scott Sub 35, Kona Rove, Trek Verve+2

Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Quoted: 551 Post(s)
Liked 722 Times in 366 Posts
Originally Posted by 67stang
Is it possible to keep this thread on topic?
Lets talk about those GP4000s.
Maybe their exploding sidewalls contributed somehow?
znomit is offline  
Old 09-23-17, 05:16 AM
  #113  
Senior Member
 
Join Date: Nov 2015
Location: Music City, USA
Posts: 4,444

Bikes: bikes

Mentioned: 52 Post(s)
Tagged: 0 Thread(s)
Quoted: 2622 Post(s)
Liked 1,429 Times in 711 Posts
Originally Posted by rpenmanparker
Oh, give me a break.

How about some documented examples of "arbitrary and sometimes devastating actions against people, sometimes completely destroying their livelihood", cases where there would even be a livelihood if it were not for PayPal to begin with.
That argument sounds like the one Jon Voight gave in the Rundown when people at the mine were complaining that their wages were almost entirely used to pay for their mining equipment.

Tyrannical.
rubiksoval is offline  
Old 09-23-17, 08:04 AM
  #114  
Senior Member
 
Maelochs's Avatar
 
Join Date: Oct 2015
Posts: 15,489

Bikes: 2015 Workswell 066, 2017 Workswell 093, 2014 Dawes Sheila, 1983 Cannondale 500, 1984 Raleigh Olympian, 2007 Cannondale Rize 4, 2017 Fuji Sportif 1 LE

Mentioned: 144 Post(s)
Tagged: 0 Thread(s)
Quoted: 7652 Post(s)
Liked 3,473 Times in 1,834 Posts
Originally Posted by Abe_Froman
Don't. I did it last week. Had the nicest, gentlest, most graceful putdown of the bike possible at speed...and I still thought I may have slipped a disc in my back for 2 days.

Not as young as I used to be
I didn't want to make a lot out of this, but I know what you mean. I can remember when my body went through that change .... where I went from being resilient to being fragile. I can recommend yoga and qigong ... I recommend to myself that I start doing them again all the time.

The key (in my ignorant and wholly invented opinion) is more motion (not necessarily Exercise, like weightlifting, but just Motion,,, stretching and calisthenics which just move the muscles and joints without much load.) She also does some qigong, which ( i think) among other things, keeps the body turned "On"in growth and activity mode, where I sit at a desk all day and my body turns off, as in "Might as well start decaying, he doesn't use it anyway" mode.

My wife does five or ten minutes of stretching every morning and she has retained the flexibility of a teenager. Meanwhile I cycle ... and have the overall health of the teen who lives in the basement eating chips and playing video games.

I have every opportunity to retain or regain youthful vigor .... but it takes work to be youthful when old, and I am lazy.

Anyway ... really glad to hear that you were hurt but not injured.
Maelochs is offline  
Old 09-23-17, 08:05 AM
  #115  
Senior Member
 
Maelochs's Avatar
 
Join Date: Oct 2015
Posts: 15,489

Bikes: 2015 Workswell 066, 2017 Workswell 093, 2014 Dawes Sheila, 1983 Cannondale 500, 1984 Raleigh Olympian, 2007 Cannondale Rize 4, 2017 Fuji Sportif 1 LE

Mentioned: 144 Post(s)
Tagged: 0 Thread(s)
Quoted: 7652 Post(s)
Liked 3,473 Times in 1,834 Posts
Originally Posted by rubiksoval
That argument sounds like the one Jon Voight gave in the Rundown when people at the mine were complaining that their wages were almost entirely used to pay for their mining equipment.

Tyrannical.
What "argument"? All he did was ask for some evidence that your claims were in any way factual.

And I see that none of the PayPal haters have posted any.
Maelochs is offline  
Old 09-23-17, 08:41 AM
  #116  
Senior Member
 
Abe_Froman's Avatar
 
Join Date: Aug 2016
Location: Chicago
Posts: 2,524

Bikes: Marin Four Corners, 1960's Schwinn Racer in middle of restoration, mid 70s Motobecane Grand Touring, various other heaps.

Mentioned: 76 Post(s)
Tagged: 0 Thread(s)
Quoted: 9347 Post(s)
Liked 57 Times in 51 Posts
Originally Posted by Maelochs
I didn't want to make a lot out of this, but I know what you mean. I can remember when my body went through that change .... where I went from being resilient to being fragile. I can recommend yoga and qigong ... I recommend to myself that I start doing them again all the time.

The key (in my ignorant and wholly invented opinion) is more motion (not necessarily Exercise, like weightlifting, but just Motion,,, stretching and calisthenics which just move the muscles and joints without much load.) She also does some qigong, which ( i think) among other things, keeps the body turned "On"in growth and activity mode, where I sit at a desk all day and my body turns off, as in "Might as well start decaying, he doesn't use it anyway" mode.

My wife does five or ten minutes of stretching every morning and she has retained the flexibility of a teenager. Meanwhile I cycle ... and have the overall health of the teen who lives in the basement eating chips and playing video games.

I have every opportunity to retain or regain youthful vigor .... but it takes work to be youthful when old, and I am lazy.

Anyway ... really glad to hear that you were hurt but not injured.
Agreed. I've always had bad knees..not age related, but just bad knees and flat feet. Knees have always been a bit creaky, even when I was a teen. Upping my cycling miles and being more consistent about it has made the issue go away completely. I'm even thinking about giving running a shot again if I can heat my IT band issue...
Abe_Froman is offline  
Old 09-23-17, 09:28 AM
  #117  
Friendship is Magic
 
3alarmer's Avatar
 
Join Date: Nov 2010
Location: Sacramento, CA
Posts: 22,984

Bikes: old ones

Mentioned: 304 Post(s)
Tagged: 0 Thread(s)
Quoted: 26413 Post(s)
Liked 10,379 Times in 7,207 Posts
.
...running is stupid.
3alarmer is online now  
Old 09-23-17, 09:32 AM
  #118  
Senior Member
 
Abe_Froman's Avatar
 
Join Date: Aug 2016
Location: Chicago
Posts: 2,524

Bikes: Marin Four Corners, 1960's Schwinn Racer in middle of restoration, mid 70s Motobecane Grand Touring, various other heaps.

Mentioned: 76 Post(s)
Tagged: 0 Thread(s)
Quoted: 9347 Post(s)
Liked 57 Times in 51 Posts
Originally Posted by 3alarmer
.
...running is stupid.
That's generally been my opinion lol. It's a bit more practical when it's super nasty outside in Chicago winters though.
Abe_Froman is offline  
Old 09-23-17, 10:05 AM
  #119  
Senior Member
 
Maelochs's Avatar
 
Join Date: Oct 2015
Posts: 15,489

Bikes: 2015 Workswell 066, 2017 Workswell 093, 2014 Dawes Sheila, 1983 Cannondale 500, 1984 Raleigh Olympian, 2007 Cannondale Rize 4, 2017 Fuji Sportif 1 LE

Mentioned: 144 Post(s)
Tagged: 0 Thread(s)
Quoted: 7652 Post(s)
Liked 3,473 Times in 1,834 Posts
I don't know ... If I were still able to run, I would probably do it from time to time. I used to enjoy it and do it well ... about 100 pounds ago.
Maelochs is offline  
Old 09-23-17, 10:56 AM
  #120  
Senior Member
 
Join Date: Sep 2008
Posts: 660
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 151 Post(s)
Liked 23 Times in 16 Posts
How much seatpost did you have in the frame? I'd be tempted to put as much post in the frame as possible and have seen Chinese carbon seatposts as long as 530mm. It probably was caused by over-tightening the the clamp though, right? They should sell compression plugs tube inserts that you can smear glue on and position inside the tube for reinforcement. I tend to believe carbon composites aren't suitable for consumer bikes yet but I appreciate your contribution to materials research and development for the rest of us.

Last edited by Clem von Jones; 09-23-17 at 11:11 AM.
Clem von Jones is offline  
Old 09-23-17, 11:09 AM
  #121  
Farmer tan
 
f4rrest's Avatar
 
Join Date: May 2008
Location: Burbank, CA
Posts: 7,986

Bikes: Allez, SuperSix Evo

Mentioned: 38 Post(s)
Tagged: 1 Thread(s)
Quoted: 2870 Post(s)
Liked 28 Times in 23 Posts
Originally Posted by 67stang
Is it possible to keep this thread on topic?
Probably not.
f4rrest is offline  
Old 09-23-17, 11:10 AM
  #122  
Should Be More Popular
 
datlas's Avatar
 
Join Date: Dec 2007
Location: Malvern, PA (20 miles West of Philly)
Posts: 43,051

Bikes: 1986 Alpine (steel road bike), 2009 Ti Habenero, 2013 Specialized Roubaix

Mentioned: 560 Post(s)
Tagged: 2 Thread(s)
Quoted: 22597 Post(s)
Liked 8,925 Times in 4,158 Posts
Originally Posted by 67stang
Is it possible to keep this thread on topic?
You have been a member here for 5 years and you have to ask??
__________________
Originally Posted by rjones28
Addiction is all about class.
datlas is offline  
Old 09-23-17, 11:15 AM
  #123  
Senior Member
 
Maelochs's Avatar
 
Join Date: Oct 2015
Posts: 15,489

Bikes: 2015 Workswell 066, 2017 Workswell 093, 2014 Dawes Sheila, 1983 Cannondale 500, 1984 Raleigh Olympian, 2007 Cannondale Rize 4, 2017 Fuji Sportif 1 LE

Mentioned: 144 Post(s)
Tagged: 0 Thread(s)
Quoted: 7652 Post(s)
Liked 3,473 Times in 1,834 Posts
Originally Posted by 67stang
Is it possible to keep this thread on topic?
Seize control.

Unless you keep posting regular updates, naturally people will come here looking for them, and once here, will ruminate on whatever .... it is up you to "take the lane" in your own thread.

As it happens, I have been adding up my spare parts and have determined that I can almost justify buying Two more Chinabomb frames ... I almost have enough parts to build out two frames. So, if you determine definitively that such frames are health hazards, you will be crushing my dreams and ruining my personal economy.

naturally I have to try to distract you.
Maelochs is offline  
Old 09-23-17, 11:34 AM
  #124  
Senior Member
 
tagaproject6's Avatar
 
Join Date: Aug 2009
Posts: 8,550

Bikes: Wilier Izoard XP (Record);Cinelli Xperience (Force);Specialized Allez (Rival);Bianchi Via Nirone 7 (Centaur); Colnago AC-R Disc;Colnago V1r Limited Edition;De Rosa King 3 Limited(Force 22);DeRosa Merak(Red):Pinarello Dogma 65.1 Hydro(Di2)

Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 551 Post(s)
Liked 277 Times in 145 Posts
Any other word from DengFu?
tagaproject6 is offline  
Old 09-23-17, 12:14 PM
  #125  
Voice of the Industry
 
Campag4life's Avatar
 
Join Date: May 2007
Posts: 12,572
Mentioned: 19 Post(s)
Tagged: 0 Thread(s)
Quoted: 1188 Post(s)
Likes: 0
Liked 8 Times in 8 Posts
Originally Posted by tagaproject6
Any other word from DengFu?
Yes. DengFu sends his regards and suggests everybody practice:


Campag4life is offline  


Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.