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-   -   Infinity Cobra-21 speed aircraft aluminum mtn bike (https://www.bikeforums.net/mountain-biking/376114-infinity-cobra-21-speed-aircraft-aluminum-mtn-bike.html)

thebikeguy 01-03-08 10:50 PM

Infinity Cobra-21 speed aircraft aluminum mtn bike
 
**.

Dannihilator 01-03-08 11:10 PM

It's done.

mcoine 01-03-08 11:13 PM


Originally Posted by thebikeguy (Post 5920361)
21 speed full suspension bike

It's done.

kenhill3 01-03-08 11:58 PM


Originally Posted by thebikeguy (Post 5920361)
There is a 2 inch crack at the top of the head tube.

Toast. Non-repairable.

thebikeguy 01-04-08 12:37 AM

**

Oleanshoebox 01-04-08 12:42 AM


Originally Posted by thebikeguy (Post 5920796)
This bike is used as a commuter bike.Doesn't go off-road.Is there a way I can put a clamp around the top of the head tube to stop it from cracking more(the crack is vertical).The reason I ask is,it's a customer's bike and he's very fond of it.Should I tell him to stop riding it?What's the worst that can happen,total failure?He just brought it to me to tune it up for him.Now I gotta tell him his bike is pooched?

Yes. Thoroughly pooched. He needs a new frame.

kenhill3 01-04-08 12:43 AM


Originally Posted by thebikeguy (Post 5920796)
This bike is used as a commuter bike.Doesn't go off-road.Is there a way I can put a clamp around the top of the head tube to stop it from cracking more(the crack is vertical).The reason I ask is,it's a customer's bike and he's very fond of it.Should I tell him to stop riding it?What's the worst that can happen,total failure?He just brought it to me to tune it up for him.Now I gotta tell him his bike is pooched?

Would you want to be party to the customer having an accident on a bike you said was OK to ride, but knew there was a questionable defect?

mcoine 01-04-08 12:58 AM


Originally Posted by thebikeguy (Post 5920796)
This bike is used as a commuter bike.Doesn't go off-road.Is there a way I can put a clamp around the top of the head tube to stop it from cracking more(the crack is vertical).The reason I ask is,it's a customer's bike and he's very fond of it.Should I tell him to stop riding it?What's the worst that can happen,total failure?He just brought it to me to tune it up for him.Now I gotta tell him his bike is pooched?

Wait, you're working as a bike "mechanic" and you have to ask this question? Put down the wrenches and step away from the bike stand. You are done.

thebikeguy 01-04-08 01:05 AM

**

wethepeople 01-04-08 03:50 AM

So is Aluminum.

cs1 01-04-08 04:35 AM


Originally Posted by thebikeguy (Post 5920361)
There is a 2 inch crack at the top of the head tube.Is this frame done or can it be repaired?


You can buy a new aluminum hardtail frame from Leader for a little over $100. Just swap your fork and group over. A repair will cost that much and it won't work. Good luck

Tim

Cyclist30907654 01-04-08 05:33 AM

It was done even before the crack.

On the other hand, try returning it to Costco... their return policy is....

junkyard 01-04-08 07:50 AM


Originally Posted by mcoine (Post 5920876)
Wait, you're working as a bike "mechanic" and you have to ask this question? Put down the wrenches and step away from the bike stand. You are done.

No sh*t.

thebikeguy 01-04-08 04:20 PM

**

LowCel 01-04-08 04:40 PM

Sorry but that isn't elitest or profound knowledge. It should just be common sense that if a frame has a 2" crack it is junk, there shouldn't even be a question about it. I've never seen a professional wrench that would have to ask if it was junk or not.

mtnbiker66 01-04-08 04:45 PM

I look way down my nose as "thebikeguy" slinks away.........

Tweek 01-04-08 04:52 PM

Mmmmm "Aircraft Aluminum" one of those wonderful marketing terms.

taylor p 01-04-08 04:59 PM


Originally Posted by thebikeguy (Post 5924927)
I was warned that this forum had some elitist jerks on it.You've got nothing constructive to add so you gotta piss on them.Not very supportive.We're not all blessed with your profound knowledge and come here to find the answers.Instead get BS from idiots.1st and last time,thanks for bolstering the sport.

I don't see any one giving you BS

mtnbiker66 01-04-08 05:00 PM


Originally Posted by Tweek (Post 5925132)
Mmmmm "Aircraft Aluminum" one of those wonderful marketing terms. D00d my Maglite be mades out of the aircraft aluminums it says so on the commercial.

But can you fix it if it has a 2" crack in it?

Tweek 01-04-08 05:03 PM

Sure give me some duct tape.

junkyard 01-04-08 07:03 PM


Originally Posted by thebikeguy (Post 5924927)
Instead get BS from idiots.

Let me get this straight, the guy asking if a cracked aluminum frame should be junked is calling me (and others) an idiot? Based on your question, it's clear that you aren't going to be a wealth of knowledge or provide any value to the forum. Get lost.

colombo357 01-04-08 09:15 PM


Originally Posted by thebikeguy (Post 5920796)
This bike is used as a commuter bike.Doesn't go off-road.Is there a way I can put a clamp around the top of the head tube to stop it from cracking more(the crack is vertical).The reason I ask is,it's a customer's bike and he's very fond of it.Should I tell him to stop riding it?What's the worst that can happen,total failure?He just brought it to me to tune it up for him.Now I gotta tell him his bike is pooched?

I think you should start riding it and take it off some jumps.

RIP, buddy.

MattP. 01-04-08 11:20 PM


Originally Posted by thebikeguy (Post 5920796)
The reason I ask is,it's a customer's bike and he's very fond of it.Should I tell him to stop riding it?What's the worst that can happen,total failure?He just brought it to me to tune it up for him.Now I gotta tell him his bike is pooched?

You are a mechanic at a shop? Holy crap that is scary!

In all honestly, how did you go about getting a job at a bike shop?

Dannihilator 01-04-08 11:31 PM


Originally Posted by MattP. (Post 5927167)
You are a mechanic at a shop? Holy crap that is scary!

In all honestly, how did you go about getting a job at a bike shop?

Yeah, I wouldn't want him to work on my bikes.

MattP. 01-05-08 12:00 AM


Originally Posted by Mr. Smashy (Post 5927211)
Yeah, I wouldn't want him to work on my bikes.

I wouldn't want him to work on any customer bikes. Period.


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