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Old 04-29-2015, 05:43 PM   #1
Stinky151 OP
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Cogent Dynamics "Moab" shock failure

*****UPDATE******



In keeping with their outstanding rep, Rick called me

First thing this morning. We discussed a few possibilities as to what could have caused this that I need to check on my bike. In the meantime, he is getting the shock back ASAP to try and identify what happened. They will be repairing/replacing right away and getting me back on the road. Rick and the folks at cogent are top notch business folks, and will forever have my business and support.



***another update***
After having some more time to investigate, it looks like a swing arm bearing some how failed. There is a fair amount of lateral play that I think ultimately led to the failure. Rick and his team already have a new shock built, but since this is user error I am letting him decide what he thinks is fair on warranty. I have zero expectations of the. If this broke because of me..



I was riding home from work today and suffered a catastrophic failure of my rear shock on my KLR. I was turning left through an intersection when suddenly it felt like I was sliding on gravel. After I regained control something seemed seriously wrong. I got home a few minutes later and noticed the back of the bike was sagging badly. I got it on the center stand the the rear shock basically came apart. It appears the center rod sheared off down in the clicker area. After taking the links off the whole thing dropped out. The bike hasn't suffered any impacts. I ride it rather spirited but don't jump or take hard hits with it.



Any ideas what could cause a failure like this? Rick mentioned side loading as a possibility. I need to check everything on this bike now.









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Stinky151 screwed with this post 04-30-2015 at 07:40 PM Reason: New info..... Mods can we change the title to "cogent rocks!" ??
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Old 04-29-2015, 06:17 PM   #2
sailah
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I'm only guessing here, but something tells me cogent would probably want that shock back to do a little R&R. Shit happens, call them in the morning and see what they say, from all accounts they are pretty peppy on the customer service.
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Old 04-29-2015, 06:24 PM   #3
KaptSlo
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Give them a chance to make it right. I have a Moab shock on my TransAlp and beat the snot out of it in Death Valley for five days last month. It handled everything with aplomb, and still works great. I taught a MSRC on it last week...

The Moab shock has a lifetime warranty. The Moab Adventure shock does not.

From their website: "Now available is the "Moab Adventure" shock, a lower cost option that shares all the quality and performance of the famous Moab shock but with out the damping adjuster or the lifetime warrentee."
http://www.motocd.com/mc/index.php/s...650-moab-shock
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KaptSlo screwed with this post 04-29-2015 at 06:36 PM
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Old 04-29-2015, 07:01 PM   #4
Stinky151 OP
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Like I said, I am not here to put Cogent on blast. They have always been great and I have never heard a bad word. I hadn't had a chance to look up the warranty, thank you. Mine should be covered. It seems the rod broke/sheared just above the threads where it mates with the clicker/lower mount. I teach the ARC on it as well, and have loved what it did to the bike. I just can't figure out for the life of me figure out what could have caused this.....
I am pretty on the ball on taking care of this bike
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Old 04-29-2015, 07:11 PM   #5
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Please let us know if they figure out what happened. Mine has been used hard, and remains bulletproof.
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Old 04-29-2015, 07:13 PM   #6
Stinky151 OP
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And there are hundreds of stories like yours. It must be some kind of metal fatigue....
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Old 04-29-2015, 07:15 PM   #7
GlennR
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Quote:
Originally Posted by Stinky151 View Post

Let me start of with the fact the Cogent has an outstanding reputation, and I have now desire to change that. They are closed so they haven't had time to respond to me on this.


.....
Stinky,
I think you made a typo. You meant "no" instead of "now", right?
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Old 04-29-2015, 07:17 PM   #8
Stinky151 OP
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Thanks... Fixed that.
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Old 04-29-2015, 08:09 PM   #9
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Pictures added
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Old 04-29-2015, 08:21 PM   #10
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What is the condition of the bearing/bushing on the swingarm that the shock attaches to? Also. how do they look on the other end of the shock?
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Old 04-29-2015, 08:22 PM   #11
Stinky151 OP
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Bearing are all in excellent shape. Less than 10,000 miles on them and heavily greased. The bike might be a dirty pig right now, I am pretty thorough on maintenance.
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Old 04-30-2015, 08:22 AM   #12
Bikedude987
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If there is no obvious binding/mechanical damage, this might be a case of fatigue or of hydrogen embrittlement.
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Old 04-30-2015, 02:20 PM   #13
Stinky151 OP
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Mods... Can I get a title change just to rear shock failure?

And update, Rick has already built a new shock to send out. Cogent has got to be one of the BEST companies I have ever dealt with.
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Old 04-30-2015, 07:40 PM   #14
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First post updated with more info
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