Rare, cool or just plain obscure - post pics of the jewels in your parts collections
05-25-12, 11:18 PM
#101
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Just me, I guess
BTW, I love the minimalist design of your Berthets - in particular, the neatly-designed kick-tab.
DD
05-25-12, 11:23 PM
#102
Bicycle Repair Man !!!
Honestly, I have held both Barellis and now these TAs in my hands and the Barellis look and feel just that bit better constructed and finished. The Barelli's bearings are most assuredly smoother (although to be fair, these TAs have been in a box for a long time...).
Just me, I guess
BTW, I love the minimalist design of your Berthets - in particular, the neatly-designed kick-tab.
DD
Just me, I guess
BTW, I love the minimalist design of your Berthets - in particular, the neatly-designed kick-tab.
DD
05-26-12, 06:17 AM
#103
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This is my french Lionrone saddle. I think its 1950's vintage. The quality of the leather is amazing.
05-26-12, 06:24 AM
#104
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there should be a choice for parts that cause headaches, anyone want to help sort these?
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05-26-12, 06:41 AM
#105
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NOS/NIB Spidel 105bis
05-26-12, 07:30 AM
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To shift, the rider would first loosen the rear wheel's quick release (remember, this is done while riding!). Then, the other lever would be turned to move the chain from one cog to the other -- as it moved, the rear wheel would move forward (when shifting to the larger cog) or backward (shifting to the smaller cog). When the shift was complete, the quick release was tightened again.
It also should be mentioned that since the derailleur is in front of the freewheel, the rider is required to back pedal to shift gears.
05-26-12, 07:48 AM
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Shifting a Cambio Corsa
Shifting a Paris Roubaix
Shifting a Paris Roubaix
05-26-12, 08:06 AM
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The former owner of my T.A. road pedals trimmed the cages to suit his wide feet and that's fine with me.
The chrome Record triple came from Hilary Stone. I don't like the way the edges of the flutes got rounded off when it was polished.
The chrome Record triple came from Hilary Stone. I don't like the way the edges of the flutes got rounded off when it was polished.
05-26-12, 08:18 AM
#109
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very cool videos - i'm gonna ask a stupid question - by loosening the QR i see that the wheel obviously moves - are there issues with wheel alignment upon closing the QR - it looks like it probably takes some getting used to - but very very cool shifting
05-26-12, 08:22 AM
#110
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I wondered this too. Note that the dropouts aren't smooth, but have "teeth". This and some physics keep it working correctly, I guess. I'm sure it takes some skill.
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05-26-12, 08:28 AM
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05-26-12, 08:51 AM
#112
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I was going to ask about the braking, but I see the seatstay is centered on the dropout, probably wasn't as big an issue as it seems.
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05-26-12, 09:59 AM
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Campy pneumatic 'Electra' saddle:
05-26-12, 10:03 AM
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Weinmann Delta brakes:
05-26-12, 10:10 AM
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60mm c to c Bianchi - 1953 vintage. Shown against a 560mm c to c 1954 Bianchi.
05-26-12, 11:37 AM
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05-26-12, 11:51 AM
#119
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My "cosmetically-challenged" Campy 41 tooth ring:
Front side is correctly marked and completely anodized.
The back side is not anodized; furthermore, there are faint impressions of "41" and <C> stampings - reversed - which do not mirror-image (location-wise) their counterparts on the front side of the ring.
The reversed <C> marking:
The reversed "41" marking:
I wish I could figure out how this happened during the manufacturing process. This is only the third Campy QC issue I've ever come across.
DD
Front side is correctly marked and completely anodized.
The back side is not anodized; furthermore, there are faint impressions of "41" and <C> stampings - reversed - which do not mirror-image (location-wise) their counterparts on the front side of the ring.
The reversed <C> marking:
The reversed "41" marking:
I wish I could figure out how this happened during the manufacturing process. This is only the third Campy QC issue I've ever come across.
DD
05-26-12, 12:28 PM
#120
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The anvil surface thus became worn with the stamped impressions, which transferred backward onto the ring's back side as subsequent rings were stamped flat.
Perhaps even the stamp occasionally hit the anvil with no chainring in place, which would morer readily impress the digits into the harder metal.
Since most rings got polished/anodized on both sides after stamping, the faint impressions might normally get polished off.
These imperfections testify to the involvement of workers doing small-batch craftsmanship, as opposed to more automated processes. It also suggests that Campag's QC persons were working nearly as rapidly as the workers at the production stations.
With today's more-automated mfg processes, QC is simplified somewhat by the ability to identify most problems by first examining only the first and last pieces of a production run, with fewer defects being expected to be found within the bulk of the production run if those first and last pieces are found to be free of defects.
In older facilities, there were humans more involved at all times during the production "run", thus the ever-present possibility to introduce random errors.
And, to the extent that the region's wine is relatively good, an even greater possibility.
Last edited by dddd; 05-26-12 at 12:37 PM.
05-26-12, 01:08 PM
#121
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Could be that it was anodized and found to be too wide for normal tolerances, with the consequence that they machined the rear of the ring and left it like that.
EDIT: Dddd's explanation is superior.
-Kurt
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05-26-12, 01:49 PM
#122
Disraeli Gears
05-26-12, 03:18 PM
#123
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05-26-12, 05:59 PM
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Here's a fun bit of foolishness, in case the Cambio principle wasn't enough to wrap the noodle around... 
Behold, the Cambio Topollino!
Reputed to be so rare it probably shouldn't exist.
Behold, the Cambio Topollino!
Reputed to be so rare it probably shouldn't exist.
05-26-12, 07:42 PM
#125
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It appears that the same anvil surface was used for both the flattening/forging of the ring as for the stamping of the 41 and logo.
The anvil surface thus became worn with the stamped impressions, which transferred backward onto the ring's back side as subsequent rings were stamped flat.
Perhaps even the stamp occasionally hit the anvil with no chainring in place, which would morer readily impress the digits into the harder metal.
Since most rings got polished/anodized on both sides after stamping, the faint impressions might normally get polished off.
These imperfections testify to the involvement of workers doing small-batch craftsmanship, as opposed to more automated processes. It also suggests that Campag's QC persons were working nearly as rapidly as the workers at the production stations.
The anvil surface thus became worn with the stamped impressions, which transferred backward onto the ring's back side as subsequent rings were stamped flat.
Perhaps even the stamp occasionally hit the anvil with no chainring in place, which would morer readily impress the digits into the harder metal.
Since most rings got polished/anodized on both sides after stamping, the faint impressions might normally get polished off.
These imperfections testify to the involvement of workers doing small-batch craftsmanship, as opposed to more automated processes. It also suggests that Campag's QC persons were working nearly as rapidly as the workers at the production stations.
Kurt: I had thought the same thing, but when I turn the ring over to the front side, both the "41" and <C> markings do not correspond to the locations of the faint marks on the backside.
Here is the last of my little collection; the hubs aren't yet on a bike because I only received them from Kurt about two weeks ago.
OMAS hub set with alloy/nylon skewer end nuts:
And the obligatory set of Mathauser brake pads; I've got interesting plans for these:
DD
Last edited by Drillium Dude; 05-26-12 at 08:28 PM.