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I don't know for sure if this is the case, but if you guys are riding the stock crank-brothers seat post it is kind of flexes a lot. If the post if pretty high like mine is and you weigh 190lbs + that could be an issue. I put a Thomson on mine which is also a little longer than the stock post that came on it. Like I said I have had no issues with the new frame and if there were tons of issues then we were here more complaints. They seem to be isolated, but also seem to happening to the same riders over and over again.
Nope....I am riding a dropper post that was almost as far down the tube as it would go and I had one other crack through a weld in a chain stay, one other in my shop that I know of through a chain stay as well, all through areas they should not....the welds. Regardless Jamis stands and warrantees all the failures great customer service.
 

A waste of time it is is
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Well here we are again, same bike same crack! What I did after my second frame cracked in the same exact spot I told the nice people at Jamis I wanted it replaced with the team carbon frame and they actually gave me the frame! Best riding bike I've been on in along time, until it cracked at the seat post clamp a week ago. I'm waiting to hear from them (again) to see if they are going to warrantee the frame. I'd rather be riding my bike instead of turning it over to be warrantied every few months, just saying.
That is not what I wanted to read, I'm looking for that as a frame only option at the moment and knew they had chainstay / seatstay issues with their welds on their other models but was hoping the carbon would be strong as an ox. Oh well.

Good luck
 

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I pretty much changed everything out way back when I had my first frame. The seat and seat post were the first to go, did the same as you and put a Thomson seat post on. And as far as using a larger frame like Jamis has been recommending I'm 5'10" tall and have never ridden anything larger than a 19" or "large" frame. Hopefully you received one of the good frames I know there are a few out there. Like I mentioned in an earlier post I know someone who has the pro model and his is still going strong.
 

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I should probably explain it a little better, the outside of the carbon fiber frame appears to be pulling away from the carbon tube that the seat post sits in. Maybe the carbon wasn't glued well enough during the lay up process, just guessing at it though. I noticed from day one the seat post would always slip a little during my rides and I wouldn't adjust it until I could get home and use a torque wrench on it because I was warned from the time I got it not to over torque it or I could snap the carbon collar off it. I don't blame you for being a little hesitant about buying one but it definitely is one of the best riding and handling bikes I've owned.
 

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I should probably explain it a little better, the outside of the carbon fiber frame appears to be pulling away from the carbon tube that the seat post sits in. Maybe the carbon wasn't glued well enough during the lay up process, just guessing at it though. I noticed from day one the seat post would always slip a little during my rides and I wouldn't adjust it until I could get home and use a torque wrench on it because I was warned from the time I got it not to over torque it or I could snap the carbon collar off it. I don't blame you for being a little hesitant about buying one but it definitely is one of the best riding and handling bikes I've owned.
Can you post pics? I too am getting the carbon frame as a replacement for the same crack in my 2014 Comp frame, a little concerned that I should have held out for an AMT frame which was not in stock right now.
 

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Can you post pics? I too am getting the carbon frame as a replacement for the same crack in my 2014 Comp frame, a little concerned that I should have held out for an AMT frame which was not in stock right now.
I will post some pictures as soon as I can get back to the bike shop and take a few. I left the bike there three weeks ago and haven't seen it since but I'll get some on here.
 

Columbus, GA
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It's pretty incredible how many issues Jamis has had with their bike frames cracking. You'd think they'd make some major changes since it's been happening for years, but I guess not. I feel lucky that my '09 XCT 2.0 is still in one piece, but I only weigh about 140...
 

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Discussion Starter #28
I really don't think they have that many issues. I have searched quite a bit when mine broke and didn't really find that many and if you look at this thread we're talking about 3 or 4 out of probably thousands of frames. Take a look at the Giant or Trek forums and you'll see plenty as well but they sell 10's of thousands. I haven't had an issue with mine since they replaced the frame and like I said before their customer service and warranty dept. are the best on this planet.
 

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So Jamis is good with their customer service? I just had my 2008 Jamis Dakar XCR crack today very similar to the photo posted. The problem I think I'm going to get into is that this frame was purchased new but off of ebay, and it is a few years old.
 

Columbus, GA
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I really don't think they have that many issues. I have searched quite a bit when mine broke and didn't really find that many and if you look at this thread we're talking about 3 or 4 out of probably thousands of frames. Take a look at the Giant or Trek forums and you'll see plenty as well but they sell 10's of thousands. I haven't had an issue with mine since they replaced the frame and like I said before their customer service and warranty dept. are the best on this planet.
They definitely seem to have more issues than they should. The frame I'm on is notorious for cracking, and it seems many of their other bikes have issues with cracking as well (with owners saying they aren't abusing their bikes). But people do have good luck with the customer service, so that's good.
 

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Discussion Starter #31
I wanted to update this post. After Jamis replaced my frame over a year ago I have had no issues at all. The only thing I would say it having a painted mountain bike frame they tend to chip compared to other finishes but the bike has been solid and still a blast to ride.
 

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I have a 2013 Dakar XCT pro that the weld cracked at the weld where the top tube and seat tube join. Jamis has been awesome and replaced it with a 2014 so I'm happy about that.

The problem is I think it wil probably happen again. The thing is I'm between a L and XL and went with the L. My seat post pretty high, but the minimum insertion mark is inside the frame but barely.

So does anyone know if this is a fluke or has it been an issue with others and whether the 2014 frame has been reinforce in this area. It looks like the exact same frame so I'm thinking no.

Thanks for any help. I hope it's a fluke because I love the bike.

By the way I weigh about 195 with gear.
I had a 2008 that the frame cracked in the same place where the top tube and seat tube join. Jamis, to their credit warrantied the frame with a 2012 650b(the next bike I was going to purchase anyway) This happened in October of 2012, couldn't get a 2008 frame so they upgraded me under warranty. The same thing happened to me this weekend, noticed a cracked in the same weld on this frame too. I took it into my LBC and am waiting to see which way we going from here.
I have to agree with everyone here about Jamis and their customer service, it's excellent and I hope to be riding and promoting Jamis bikes for along time.
 

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Hi ND11NC,

Sorry to hear about your frame! Can you let us know what retailer you are working through? I would like to check into your claim and make sure everything is handled as quickly as possible.

Best,
-JAMIS BIKES
 

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Jamis Bikes,
I am working with Highlander bikes in Salt Lake city Utah. These guys are GREAT to work with, when I first purchased my Dakar from them and a road bike along with them taking care of a friend that purchased an Dakar as well. My wife rides a Jamis road bike and we will keep coming back. The Highlander crew are excellent and easy to work with and talk to. They all did a great job on getting everything taken care of on this last frame crack situation along with the chain stay cracking. I have no doubt the Highlander bike guys are following up and making sure they are doing everything possible to make sure this is being handled as quickly as possible.
I appreciate the fact that you guys take time to read these forums and take a real interest in working with your fans to improve and keep us riding JAMIS! Thank you!
 

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ND11NC,

Just confirmed with our Warranty Department, your frame should have shipped from CA yesterday. If it did not ship yesterday then it will ship today.

-JAMIS BIKES
 

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Jamis Bikes,
Thank you very much for letting me know so quickly on the status of the frame. I want to let you know how much I appreciate this and look forward to riding Jamis bikes for a long. I love my 650b and my wife loves her Ventura and we enjoy promoting Jamis bikes whenever we can.

Thanks again!
 

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Jamis Dakar AMT Pro cracked.

I realize this is a old thread, but I've recently discovered a crack at the same place on my 2015 Jamis Dakar AMT Pro. This is a bike primarily ridden in south Florida and the Everglades. AMT Pro.jpg
I haven't had the same experience with Jamis customer service. I'm being blamed for only having the factory supplied seatpost inserted 1 inch more than the min. insertion mark. They are telling me that I may purchase a new frame at full price or do a crash replacement discount on an entire new bike. I'm apprehensive at this point given the trend shown in this thread for these frames to crack.
 

Columbus, GA
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I realize this is a old thread, but I've recently discovered a crack at the same place on my 2015 Jamis Dakar AMT Pro. This is a bike primarily ridden in south Florida and the Everglades. View attachment 1182304
I haven't had the same experience with Jamis customer service. I'm being blamed for only having the factory supplied seatpost inserted 1 inch more than the min. insertion mark. They are telling me that I may purchase a new frame at full price or do a crash replacement discount on an entire new bike. I'm apprehensive at this point given the trend shown in this thread for these frames to crack.
You're saying you had your seatpost farther in than it's required to be and yet they're blaming you?
 

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I was told, "FYI, the min insertion line is for the strength of the seat post itself, not the frame. Typically when sizing a bike for proper fit, in some cases, the post has to be replaced to get adequate length inside the frame."

I've checked the Jamis supplied owners manual and it makes no reference to seat post length other than to heed the minimum insertion line on the seatpost.

The fact that all these Dakar frames are cracking just above the top tube/seat tube weld...it appears to be a design/manufacturing flaw.
 
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