2 flats first ride

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2 flats first ride

Postby mferree » January 30th, 2013, 12:31 pm

Hi There,

Quick question before I try to diagnose the problem on my own. I just took my new flo 60's out for their first spin and got two flats on the rear wheel. Brand new tires, the rim tap is on (I pretty certain it is on properly...not sure how it would be possible to put it on improperly), and didn't find any chips of metal, glass, etc in the tube or tire.

It was slow leak as well.

Is there anything specific I should be looking for?

Thanks
mferree
 
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Re: 2 flats first ride

Postby Chris Thornham » February 2nd, 2013, 2:18 pm

Sorry you are having some troubles. If it's a slow leak the first thing that comes to mind would be a valve extender. Are you using valve extenders?

Take care,

Chris
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Re: 2 flats first ride

Postby mferree » February 4th, 2013, 7:51 pm

Thanks Chris,

I actually thought I deleted the post, because I had thought I had found the issue (a small thorn) but that doesn't seem to be the case on both accounts :) I have my third tube in and after 2 days it has started to go flat. Albeit, not as quickly as the first two... Seems really strange. My first thought was that the tape wasn't on correctly, but after further inspection, I think it is fine.

It's weird that it is only happening to rear wheel and after 3 tubes, it seems to persist. I don't know, what do you think?

Thanks

Mike
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Re: 2 flats first ride

Postby Chris Thornham » February 4th, 2013, 8:23 pm

Mike,

See above... Are you using valve extenders?

Let's start there and then we'll see if we can narrow down your issue.
Chris Thornham
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Re: 2 flats first ride

Postby mferree » February 5th, 2013, 9:47 am

Sorry Chris, I intended to answer that question above, the answer is no. I am not using valve extenders.
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Re: 2 flats first ride

Postby Chris Thornham » February 5th, 2013, 10:44 am

Hmm... well are you 110% sure there is nothing in the tire, or in the rim where the tube sits? Have you submerged the tube underwater to see where the leak is? If all of your tubes have a leak in the same location relative to the valve then you could pinpoint the location where the flats are occurring.

Are you possibly pinching the tube? Are you making sure that the tube is completely under the tire before you inflate it?

Chris
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Re: 2 flats first ride

Postby mferree » February 5th, 2013, 11:58 am

Thanks Chris,

Good idea, I will submerge the tube and see what I can find. I wish I wouldn't have tossed the other two! I am pretty certain there is nothing in the tire and that the tire is not being pinched. Let me give the submersion idea a shot and see what I find.

Thanks again
mferree
 
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Re: 2 flats first ride

Postby Chris Thornham » February 5th, 2013, 1:10 pm

No worries. Let me know what you find out.
Chris Thornham
FLO Cycling: http://www.flocycling.com
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Re: 2 flats first ride

Postby Radioactive Man » May 3rd, 2014, 1:57 am

I just got my FLO 30's and have had 4 flats on the rear only already also, brand new Conti 4000S and tubes.

Rim tape was preinstalled on the 30's so did not touch that. What I found so far is the tyre is damn hard to get on of any wheels I have ever owned, this is not a negative but I think what is happening is the tyre snaps on the rim so tight that I think it grabs the rim tape and moves it. The rim tape for my mind is too narrow for these wider rims and it may be how lucky you are when installing the tyre if it moves enough to expose a spoke hole. When I inspected the rim tape again I find that it is easy to move it side to side (too narrow). I have another two wheel sets from Reynolds and I cannot move the rim tape at all as the edges of the tape are hooked up under the rim lips very snug. So far I have had two that went flat 30mins after installing and two that went flat when I noticed them the next day after a ride the day before. All tubes had holes on the rim (spoke hole) side of the tube and one on the side of the tube!

My next step is I going to try some veloplugs in the spoke holes instead see what happens!

Other than this annoyance these wheels are awesome stiff and going downhill at 60km/hr I literally feel like I am on rails riding 29er rims :)

My only other constructive criticism is the freehub is noisy compared to something like DT Swiss or Dura Ace but never had a skip so very solid just loud like a damn Zipp wheel. Makes it harder to escape at early hours of the morning trying not to wake up my little ones :) If you could improve all these things and maybe give black sapim spokes as an option these wheels are A+++. BTW the ceramic bearings are so smooth full marks for that option already superb on par or better than DT Swiss for a fraction of the cost a no brainer!

Cheers
Marty
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Re: 2 flats first ride

Postby bostonalex » May 6th, 2014, 8:28 am

I was thinking about trying Veloplugs as well...

Chris or Jon, can you let me know for the FLO 60 and 90, which Veloplug would I need? They come in 2 flavors, Red for 8mm spoke holes and Yellow for 8.5mm to 9.3mm spoke holes.

Thanks!
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