How To Tell If Carbon Bike Frame Is Repair A Cracked
Spunger
Git yer impaired questions here
- #1
Well.........I think it happened......won't say what make so don't inquire, but how can you tell if you're frame's croaky? Today while changing out a bearing on a linkage I noticed some small cracks in the powder coat effectually the seat-tube surface area welds and the shock mount. I was similar........F*$&*#$ considering the powdercoat is clearly cracked. I'm assuming it's a cleft just not 100% sure. What really pissed me off was a crack too on the rear chainstay. Then I knew my 2 twelvemonth erstwhile frame now bit the grit.
What really shocks me is I've done no drops, no jumps, nada of that sort (I have other bikes built for that stuff) and this was simply a trail rig. Nothing but riding to the trail and down it (mostly Ninety'ish stuff) so when I institute these possible cracks I got worried.
Do cracks in the powdercoat usually mean a crack in the textile? What places can you ride with a cleft and without one? In my instance of a shock mountain and the seat-post mountain (which is a interupted seat tube) I don't think that these cracks I can ride with. Hell I could be riding climbing a loma sitting and have it but give away. Same with the shock.
But curious, I've read alot about cracked frames and such but can't notice too much info on the symptoms of a cracked frame or what to await out for and sentinel for.
Spunger
Git yer impaired questions here
- #6
konabiker said:
Is it an older cortina?
That will pretty much answer the question.
Nope, I'm non gonna fustigate/praise whatsoever manufacture until the end :hot:
I've made a few calls and emails, just waiting for a response. I guess either style, a stress marker where it cracks the powdercoat is no good, and in the area's that it decided to crack are areas in which I'm non going to go for.
I'll meet about chipping away the pulverisation coat in the areas where the cracks are.
Spunger
Git yer dumb questions hither
- #8
Kornphlake said:
That is what I was looking for. I have heard those stories, and I don't want to be one of them (instead of head tube seat tube). I figured that the pulverisation coat cracked because of something, conditions it be a stretch, crack, stress marker whatever. I won't take my chances.
Nope, it's not steel. At times I wish information technology was because I know if this happened information technology'd exist a quick fix (only re-weld it) just being alum. it's non that easy. It just sucked because usually you don't notice these "cracks" on both the front end triangle and rear triangle. That was the existent bummer considering I could have salvaged the frame if only one part was cracked, but not both.
Spunger
Git yer dumb questions here
- #ix
Well it's cracked, I chipped abroad some of the pulverization glaze and certain plenty it's cracked. 
To repair the frame information technology'd price $400-450 and that's on a 4 year old frame. So it might exist time for something new'er than that.
Oh well, thank you again guys for the hints and tips on making sure it's cracked. I just think the frame saw better days, atleast it didn't crack and fail so bad that I couldn't keep riding it out of the trail.
kidwoo
Artisanal Tweet Curator
- #10
Well it IS an m1 you know. 
You lot got the seat tube though? That'southward a new one.
four years on any dh frame is a proficient run.
Distressing to hear about it.
Spunger
Git yer impaired questions here
- #xi
kidwoo said:
Well it IS an m1 yous know.
4 years on any dh frame is a good run.
I think that's how I have to expect at it, 4 years on any alum. frame is a good fourth dimension span. Even though I would accept liked it to accept lasted longer I guess information technology's ok.
I approximate it's time to salvage for something else 
- #12
why did you feel the need to jive us with your "2 year old" frame nonsense, then come back to tell united states of america it was over 4 years old?
kidwoo
Artisanal Tweet Curator
- #xiv
LaharDesign said:
What?
Similar EVERY 6000 series aluminum frame.......which in that location are a lot of.....including intense don't go heat treated?
Sure a few apply 7000 serial merely simply every bit many or more use 6061. And 6061 is REALLY fun to ride without a heat care for.
Spunger
Git yer dumb questions hither
- #sixteen
WestCoastHucker said:
I got the bike in tardily 2002 (from electronic mail records). I'one thousand lucky if that bicycle saw 30 trail rides in it's lifetime (equally I ride my other bikes more). I'yard all the same more than suprised and shocked that something with every bit lilliputian riding equally I've done has cracked in the spots that information technology did.
I couldn't recall how long ago I bought the bike. I but know how many time'southward I rode it. Clearly it wasn't much.
I just marked it and figured I'd watch the crack, if it moves and so I'll stop riding it but for all I know the cracks take been in that location for a long time and I just never saw them. If they move after a couple rides then I know it's fourth dimension to retire it.
kidwoo
Artisanal Tweet Curator
- #17
Spunger said:
I got the wheel in belatedly 2002 (from email records). I'm lucky if that bike saw 30 trail rides in information technology's lifetime (equally I ride my other bikes more). I'm nevertheless more suprised and shocked that something with as petty riding as I've done has croaky in the spots that it did.
I couldn't retrieve how long ago I bought the cycle. I simply know how many fourth dimension's I rode it. Clearly information technology wasn't much.
I just marked information technology and figured I'd sentry the crack, if it moves then I'll stop riding information technology but for all I know the cracks have been in that location for a long fourth dimension and I just never saw them. If they motility after a couple rides then I know it'south fourth dimension to retire it.
The chainstay crack.................don't ride it man. ..........just above/in forepart of the crossbrace to the horst link correct?
Retire it.
Spunger
Git yer dumb questions hither
- #18
kidwoo said:
The chainstay cleft.................don't ride it man. ..........but above/in front of the crossbrace to the horst link right?
Retire it.
Nah, upper daze mount, it'southward pretty pocket-size.......I should take a picture & a department on the seat mast/gussett area. Hard to explain but I'll encounter what I can do most a movie.
The only 2 things that will happen is the shock mount will shear off causing me to take no stupor OR the seat tube (interupted seat tube) would rip off. I only ride this cycle on XC'ish trails and the road and then I dunno, that's what made me think of taking my chances.
How To Tell If Carbon Bike Frame Is Repair A Cracked,
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