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Old 06-25-14, 06:44 AM   #1
Oon
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My Brompton Raw Lacquer - Is This Ok?

Just picked this up this morning and only noticed this 5 minutes ago. Is this ok or should I bring it back to the shop?
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Last edited by Oon; 06-25-14 at 06:48 AM.
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Old 06-25-14, 07:16 AM   #2
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Just picked this up this morning and only noticed this 5 minutes ago. Is this ok or should I bring it back to the shop?
What are we supposed to be seeing here? A touch of slightly irregular fillet brazing?

If it were under paint, you wouldn't even notice it; with clear lacquer coating you get to see the character of the joinery, like this. Part of the charm of the clear finish.
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Old 06-25-14, 08:05 AM   #3
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Just picked this up this morning and only noticed this 5 minutes ago. Is this ok or should I bring it back to the shop?
that's how it should be. :-) but for your peace of mind, it would not hurt for you to bring it back to the bike shop.
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Old 06-25-14, 08:14 AM   #4
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How long did it take to get that one ? ready to wait all over again for the next one ..

a bit of post brazing wire wheel work could cosmetically have made it look better..

a clear over spray after doing that locally is another option..


they are ,I suspect, trying to keep up with demand , & working as fast as they can..

I expect the brace joint , looks like the top left side, brazing is sound..
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Old 06-25-14, 09:32 AM   #5
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Just want to say thank you for all your views. Took it down to the shop and they said it was cosmetic - but they have sent the pictures to Brompton who will respond in a day or so. Hope to receive something positive from Brompton (not doubting the integrity of the bike but was somewhat disappointed with it).
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Old 06-25-14, 12:24 PM   #6
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My understanding is that Brompton uses a machine to do all the brazing now with computer-controlled gas jets and heat sensors. Probably they missed a little cleanup work as above. I wouldn't worry about the strength of the joint.
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Old 06-25-14, 12:46 PM   #7
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As someone who has worked with iron and metal my entire life, including welding and inspecting welds. I can tell you that the answer is yes and no.

Yes the braze looks fine. But,... no it wasn't cleaned up before the finish was applied. The slag should have been chipped off, and wire brushed, then the area would next be buffed of burn marks, scratches and weld splatter.

Someone cleaned up all the welds on the frame but missed that one, maybe he was distracted by someone or something, or it was Monday morning and he wasn't paying attention. Somehow it also got past inspection (or nobody noticed) before it went to the paint booth. Then on top of that it got all the way down the assembly line without anyone noticing or caring. Then it got past the final inspection and boxed. This doesn't look good for Brompton's quality control, makes it looks like quality is going downhill.

It's purely cosmetic.
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Old 06-25-14, 01:08 PM   #8
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it's purely cosmetic but if i was going to pay a premium for this raw lacquer and almost $1700USD plus taxes for a typical 3 speed brompton I would expect it to be cleaned up without such glaring flaws. In a walmart bike i would turn a blind eye but not when they are running up to the range close to $2k. if you buy any brand new $1000+ bike you would expect the quality and finish of the frame to be near perfect.
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Old 06-25-14, 02:10 PM   #9
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I would definitely not take it back.
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