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Expanded Tern recall

Old 10-17-17, 05:34 PM
  #251  
Joe Remi
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Holy crap. The Link is the lower cost series, and I presumed to be heavier, tougher frames. It was my impression that all the failures were Verge series; now it looks like the problem is in the design and company-wide.

Dr. Hon needs to tell his idiot family members to get out of the bicycle business. They're bad at it.
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Old 10-17-17, 06:51 PM
  #252  
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Originally Posted by jur View Post
Based on what I saw in the various failure pictures, it seems to me this was a design problem not a manufacturing problem; if this is correct it therefore affects ALL Terns made before the weld design was changed and augmented, ... (snip) ? ...
The design problem was no weld in line with the frame yes? Solution was adding the gusset plate. What about other bikes with mid fold hinges? Crius, Fnhon, Dahon etc. Did they do it right?

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Old 10-18-17, 09:42 AM
  #253  
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Holy crap! Ok I didn't think one could get into that much trouble. I guess I seriously need to replace my bike / frame. Speedy recovery to you sir.

Would really love to see the photos. I'm still trying to understand what's the mechanism of the frame welding failure that could happen.
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Old 10-18-17, 11:17 AM
  #254  
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Originally Posted by masch View Post
Holy crap! Ok I didn't think one could get into that much trouble. I guess I seriously need to replace my bike / frame. Speedy recovery to you sir.

Would really love to see the photos. I'm still trying to understand what's the mechanism of the frame welding failure that could happen.

Take a look at https://www.google.com/search?q=tern...w=1280&bih=893

Thanks,
Yan
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Old 10-18-17, 11:27 AM
  #255  
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Oh my gosh, so they fail at the welds!

So I guess I'll have to scrap Mark Bickerton's idea of replacing the frame of my Tern Link.

Interestingly enough I have just made a search for "Dahon Frame Failure" but all the images returned were of Tern bicycles?
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Old 10-18-17, 11:44 AM
  #256  
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Originally Posted by masch View Post
Oh my gosh, so they fail at the welds!

So I guess I'll have to scrap Mark Bickerton's idea of replacing the frame of my Tern Link.

Interestingly enough I have just made a search for "Dahon Frame Failure" but all the images returned were of Tern bicycles?
I guess google understands Tern has a monopoly on these

Thanks,
Yan
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Old 04-11-19, 06:14 PM
  #257  
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https://www.******.com/r/Brompton/co...rn_it_to_hell/

Saw this. Could be an old model. Also, the bike has an electric motor.
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Old 04-11-19, 08:29 PM
  #258  
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Originally Posted by dahoneezz View Post
https://www.******.com/r/Brompton/co...rn_it_to_hell/

Saw this. Could be an old model. Also, the bike has an electric motor.
Your link is dead,.....
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Old 04-11-19, 08:37 PM
  #259  
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It's possibly dead because this thread is dated in 2016?

If you want to find a current recall, you should visit https://www.bikeforums.net/recall-announcements/ and if you cannot find it, try a search engine you like or ask the staff.

There is also
https://www.cpsc.gov/recalls
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Last edited by Rollfast; 04-11-19 at 08:42 PM.
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Old 04-12-19, 12:14 AM
  #260  
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Picture from redd it dot com

​​​​​​​

It is dead because I think there is censorship bot in this forum. What you can do is click on the link and replace the asterics with "redd it" dot com.

The hinge failure is recent ( like maybe several days ago), but the bike could be old model plus modded with electric motor.
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Old 04-12-19, 07:03 AM
  #261  
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The link should work if its embedded in text, for example CLICK HERE.
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Old 04-12-19, 09:13 AM
  #262  
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Thanks for the link! Looks like Tern's learning curve on how to weld is not quite finished. At least they know how to produce slick websites and pr.
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Old 04-12-19, 01:00 PM
  #263  
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Originally Posted by dahoneezz View Post

"Warning: My Tern Cargo Node + BBSHD split in half while riding yesterday. Just under 2k miles and it broke in two while slowing down at an intersection. Could have been much worse! This is not a safe conversion."



Picture from redd it dot com


It is dead because I think there is censorship bot in this forum. What you can do is click on the link and replace the asterics with "redd it" dot com.

The hinge failure is recent ( like maybe several days ago), but the bike could be old model plus modded with electric motor.
OMG!!! This is from 3 days ago,...and it's the newer Tern Cargo Node!!!
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Old 04-12-19, 04:13 PM
  #264  
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Cargo Node.
​​​​​​​

Oh ... somehow I missed the part that it was a different kind of bike. I thought it was just a normal bike with a rack.

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Old 04-12-19, 04:54 PM
  #265  
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The redd it link I posted was not the original owner's link. I believe the one below is the original. Sorry about that.

https://www.******.com/r/ebikes/comm...split_in_half/
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Old 04-12-19, 04:56 PM
  #266  
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Original owner:

​​​​​​​"https://www.******.com/r/ebikes/comments/bbaayg/warning_my_tern_cargo_node_bbshd_split_in_half/"

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Old 04-12-19, 04:57 PM
  #267  
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Dammit bot!! "redd it"!!!!
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Old 04-12-19, 06:11 PM
  #268  
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Originally Posted by dahoneezz View Post
Dammit bot!! "redd it"!!!!
Post a word, then use the "chain link" in the bar up top to add the site link,...posting a direct link to that site is apparently taboo! LOL!!! I believe it has to do with spam and such.
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Old 04-12-19, 06:59 PM
  #269  
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Originally Posted by tds101 View Post
OMG!!! This is from 3 days ago,...and it's the newer Tern Cargo Node!!!
I noticed that as well. The frame joint looks like the earlier version (with no gusset plate) that caused problems on earlier bikes though. Would be very interested to know where the frame was made (Vietnam, China, or Taiwan). The frames with the gusset plate are all Made in Vietnam.
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Old 04-13-19, 02:53 AM
  #270  
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What is worth mentioning regarding that case:
- The bike in question was a Tern Cargo Node - a cargobike, basically consisting of a Tern Node Frame (thier 24" bike) with a factory fitted xtracycle rear frame cargo extension. I do not know if the frame of the cargo node is different or stiffened in compariston to an ordinary Tern Link frame though optically identical for the innocent watcher.
- The poster says he had no heavy load on the bike at the time of the accident - just himself (at 165 lbs) and a laptop
- he had fitted an electric motor to the bike. A Bafang BBSHD mid-drive motor at the bottom bracket. The BBSH is rated at 1000 Watts. Tern themselves do sell the cargo node with an electric mid-drive motor, but only one with 250 Watts.
Edit: There is no electric version of the Cargo Node on Terns webseite, so possibly they did not even sell an electric version at all. The claim was from memory.
The force of that retrofitted motor is clearly far higher than what Tern offer themselves, so basically he used the bike outside the specification.
The poster himself writes in said r-e-d-d-i-t (seems on is not even allowed to post the word ****** here ) thread:
The BBSHD puts out an incredible amount of torque. I could take off like a rocket from a stop, something most people couldn’t do. I’m sure that put a lot of stress on that joint.
- He posted more pictures of the break at imgur: https://imgur.com/a/DwozLzH
- As usual we do not know if the breakage developed over time or happened completely all of a sudeen, maybe starting secretly at the underside of the frame.

So while it is the same well-known area where the bike broke it seems maybe a bit questionable in this case to simply claim it was Tern who still are unable to weld. With the extra force of that extremely powerful motor the bike was used far out for what it was designed, specified, rated and tested. Luckily the rider did not suffer injuries. Maybe a sign of warning to people to put the most powerful motors on any given bike w/o knowing the limits or paying respect or attention to the forces that the frame will have to deal with. Just because things fit mechanically it does not mean it is a good idea or a valid combination.

Last edited by berlinonaut; 04-24-19 at 10:41 AM.
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Old 04-14-19, 07:05 PM
  #271  
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"“Ross Evans, the founder of Xtracycle, is a good friend,” said Hon (pictured below grabbing a slice of pizza at Eurobike). “We went to Stanford University together and have kept in touch.”

Almost literally because the Cargo Node originated from some close proximity thinking: “We were sat in a hot tub, and I said you make this really cool rear rack and we make these cool bikes, maybe the joining of the two could make something interesting?”
​​​​​​​BikeBiz: Home Stream
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Old 04-14-19, 07:09 PM
  #272  
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Originally Posted by tds101 View Post
Post a word, then use the "chain link" in the bar up top to add the site link,...posting a direct link to that site is apparently taboo! LOL!!! I believe it has to do with spam and such.
I'll say it for the third time this month, that site URL is directly blocked because the place is just too potentially OTT and not safe for 16-20" riders and not pleasing to Donny and Marie even. If you can find a different source, try, a lot of their stuff originates elsewhere anyway.
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Last edited by Rollfast; 04-14-19 at 07:14 PM.
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Old 04-14-19, 08:25 PM
  #273  
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Originally Posted by Rollfast View Post
I'll say it for the third time this month, that site URL is directly blocked because the place is just too potentially OTT and not safe for 16-20" riders and not pleasing to Donny and Marie even. If you can find a different source, try, a lot of their stuff originates elsewhere anyway.
Hmmm,...yes,...ok,...that really required a quote,...GN,...
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Old 10-25-19, 08:04 PM
  #274  
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Hello from Germany. Yesterday my Tern Vektron P9 broke down. Fortunately not during the drive but when starting at a traffic light. I bought it on november 15th last year. I am curious what my dealer will say on the phone afterwards. 2 minutes before I stood at the traffic light, the tachometer indicated still good 40km/h (it went downhill) not to imagine what could have happened. maybe I should start to pray ;-) unfortunately I can only post after 10 posts photos or left on pictures :-/ it looks exactly the same as with tds, exactly the same place.
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Old 10-25-19, 08:18 PM
  #275  
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Originally Posted by towatai View Post
Hello from Germany. Yesterday my Tern Vektron P9 broke down. Fortunately not during the drive but when starting at a traffic light. I bought it on november 15th last year. I am curious what my dealer will say on the phone afterwards. 2 minutes before I stood at the traffic light, the tachometer indicated still good 40km/h (it went downhill) not to imagine what could have happened. maybe I should start to pray ;-) unfortunately I can only post after 10 posts photos or left on pictures :-/ it looks exactly the same as with tds, exactly the same place.
Could you confirm what you mean by "broke down"?

"broke down" can mean the problem is fixable, such as when you have minor car trouble on the highway and you call the local motor association for help. Or did you mean the bicycle frame broke in half?
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