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Old 08-13-12, 08:08 PM   #1
Drillium Dude 
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Show us your "Drain Holes" :)

Bottom bracket shell cutouts, that is

On many frames the BB shell is as distinctive as the head tube badge/decal. So show us what you've got!

Olympia:



'73 Colnago Super:



'83 Colnago Mexico:




70s Guerciotti:



'69 Masi Special:




DD
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Old 08-13-12, 08:09 PM   #2
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Literally............

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Old 08-13-12, 08:11 PM   #3
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Literally............

Always nice to see "literally" used in the proper fashion

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Old 08-13-12, 08:24 PM   #4
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1990 Marinoni Special:



Little dusty. This bike has 'M's all over it, It's almost like it's monogrammed
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Old 08-13-12, 08:35 PM   #5
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Just went through my Flickr haha, some aren't that exciting


1973 Motobecane Champion Team (pre-cleanup pic):




1982 Guerciotti:




1979 Raleigh Professional:




19?? Gios Torino Super Record:




197? Bottecchia:




198? Alan Carbonio:

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Old 08-13-12, 08:55 PM   #6
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Pre "M" GC
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Old 08-13-12, 09:23 PM   #7
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Originally Posted by Drillium Dude View Post
Always nice to see "literally" used in the proper fashion
Now that's an observation of epic proportions.

Here's mine:

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Old 08-13-12, 09:28 PM   #8
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Old 08-13-12, 09:38 PM   #9
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Mid-80's Palo Alto made by BMZ.

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Old 08-13-12, 09:46 PM   #10
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'73 Raleigh RRA
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Old 08-13-12, 10:47 PM   #11
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Mondia Super...

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Old 08-13-12, 10:52 PM   #12
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Hey DD, would you ever attempt to do your own custom "drain hole"? I assume most of your bikes already have them, but it seems up your alley.
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Old 08-14-12, 12:07 AM   #13
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Hey DD, would you ever attempt to do your own custom "drain hole"? I assume most of your bikes already have them, but it seems up your alley.
Funny you should ask; yes, I did. I've neglected to get a photo of the BB shell on the drillium rig (Alpina), which has a slot or two - and a countersunk hole that I myself added. It took forever and a day to drill, too, which is why I stopped at one

I'll get a pic tomorrow and post it finally.

Some really nice submissions already - the biggest surprise was seeing that 3/4" hole on the bottom of Aaron's Marnati. That's the biggest single hole I've ever seen in a BB shell!

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Old 08-14-12, 12:17 AM   #14
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Old 08-14-12, 12:18 AM   #15
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^ Italvega?

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Old 08-14-12, 12:23 AM   #16
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Super Mondia "Criterium" as found, before clean and rebuild.

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Old 08-14-12, 06:38 AM   #17
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Those are interesting "drain holes" DD, good thread. I was reading a special issue of Cycling Plus last week and for winterizing bikes they recommend drilling a drain hole (as you said "literally") in the bottom bracket for the actual purpose, including on aluminum and CF. Keep the water from pooling on the bearings and spindle was their reasoning.

I'm going to do this to my CAAD 10. They also recommend spraying a preservative in the BB shell and the frame tubes. Wonder why you don't see these anymore? I guess with cartridge bottom brackets mfgrs don't think its necessary like the artisans did.

Bill
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Old 08-14-12, 07:09 AM   #18
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Those are interesting "drain holes" DD, good thread. I was reading a special issue of Cycling Plus last week and for winterizing bikes they recommend drilling a drain hole (as you said "literally") in the bottom bracket for the actual purpose, including on aluminum and CF. Keep the water from pooling on the bearings and spindle was their reasoning.

I'm going to do this to my CAAD 10. They also recommend spraying a preservative in the BB shell and the frame tubes. Wonder why you don't see these anymore? I guess with cartridge bottom brackets mfgrs don't think its necessary like the artisans did.

Bill
I wish I had a hole The grease looked like cream.
I think drain holes ended around 1990?
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Old 08-14-12, 07:16 AM   #19
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Input


there is no "output"
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Old 08-14-12, 08:26 AM   #20
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Some of my Amsterdam bike collection drainholes

1977 Presto


2008 Rih


199x Zieleman
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Old 08-14-12, 08:58 AM   #21
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would you ever attempt to do your own custom "drain hole"?
Then I first got my Motobecane frame in '78, I was into trying to build a lightweight bike & figured drilling out the BB shell was the thing to do. In the process, the drill bit got stuck & I couldn't get it out to save my a**. I ended-up taking the frame to the shop where I bought the frame. When the owner saw what I did (after buying the frame from him), he just stood there & shook his head. He did get it out for me...duh!

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Old 08-14-12, 09:05 AM   #22
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^ Italvega?

DD
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Old 08-14-12, 11:16 AM   #23
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Cool thread. All my bikes have closed BBs. I guess I have drain hole envy. Wait, that doesn't sound right...um, never mind...
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Old 08-14-12, 11:35 AM   #24
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For those with no hole: Morningstar (I think) sold a kit that allowed you to install a one-way valve in the BB shell.
They seem to have discontinued it, or maybe it was some other company:
http://morningstartools.com/Default.aspx
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Old 08-14-12, 12:21 PM   #25
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'69 Masi Special:[/B]



DD
DD- I would invert the nut on the Campagnolo cable stop, "acorn" like surface out. It will appear more "Masi"

The BB install is provisional yes? Or are you just looking for that period correct Campagnolo BB sleeve and could not wait?
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