Show us your "Drain Holes" :)
08-13-12, 08:08 PM
#1
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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
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
08-13-12, 08:11 PM
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Always nice to see "literally" used in the proper fashion
DD
DD
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
Little dusty. This bike has 'M's all over it, It's almost like it's monogrammed
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:
1973 Motobecane Champion Team (pre-cleanup pic):
1982 Guerciotti:
1979 Raleigh Professional:
19?? Gios Torino Super Record:
197? Bottecchia:
198? Alan Carbonio:
08-13-12, 09:23 PM
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What??? Only 2 wheels?
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Now that's an observation of epic proportions.
Here's mine:
Here's mine:
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Real cyclists use toe clips.
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08-13-12, 09:38 PM
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Mid-80's Palo Alto made by BMZ.
08-13-12, 09:46 PM
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'73 Raleigh RRA
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08-13-12, 10:47 PM
#11
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Mondia Super...
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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08-14-12, 12:07 AM
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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!
DD
Last edited by Drillium Dude; 08-14-12 at 12:11 AM.
08-14-12, 12:18 AM
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^ Italvega?
DD
DD
08-14-12, 12:23 AM
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Super Mondia "Criterium" as found, before clean and rebuild.
08-14-12, 06:38 AM
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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'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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08-14-12, 07:09 AM
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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'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
The grease looked like cream.I think drain holes ended around 1990?
08-14-12, 08:58 AM
#21
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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!
08-14-12, 11:16 AM
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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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'72 Cilo Pacer • '72 Peugeot PX10 • '73 Speedwell Ti • '74 Nishiki Competition • '74 Peugeot UE-8 • '86 Look Equipe 753 • '86 Look KG86 • '89 Parkpre Team Road • '90 Parkpre Team MTB • '90 Merlin Ti
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'72 Cilo Pacer • '72 Peugeot PX10 • '73 Speedwell Ti • '74 Nishiki Competition • '74 Peugeot UE-8 • '86 Look Equipe 753 • '86 Look KG86 • '89 Parkpre Team Road • '90 Parkpre Team MTB • '90 Merlin Ti
Avatar photo courtesy of jeffveloart.com, contact: contact: jeffnil8 (at) gmail.com.
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:
https://morningstartools.com/Default.aspx
They seem to have discontinued it, or maybe it was some other company:
https://morningstartools.com/Default.aspx
08-14-12, 12:21 PM
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