Were there ever alloy cottered cranks made?
05-25-16, 08:23 AM
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Neato zombie thread.
These Weinmann's do see fairly regular use. At first was a bit scary but after some numerous long days of climbing and methodical approach, I've gained confidence in them. Not only that, the bike they're on runs only a tall geared 4 speed. You do not pounce on them and rather slow torque grind while seated during the majority of climbing. For awhile I was freaking on creaking but discovered it was only the old Lyotard steel cage on aluminum body pedals!
For comparison, here's a few pics next to the Stronglight 45D Competition steel crank. That Stronglight is a pretty svelte oldie crank of which now is cleaned up and on a Bottecchia complete with a single ring also tall geared 5 speed cog. Look at the difference in the beefy Weinmann but its much lighter in weight.
I dig old cottered cranks. Have no fear, ride em' ~~~
Bit of an edit: Many think old cranks have issues but its in how you use them. One can still abuse and snap some modern, even right on the showroom floor. The flex they take is amazing science yet don't fall into the belief its bulletproof.
[IMG]
IMG_9144 by carrera247, on Flickr[/IMG]
[IMG]
IMG_9145 by carrera247, on Flickr[/IMG]
[IMG]
VE team Peugeot BP crankset CIRCA 1958 Stronglight 45 Competition and Weinmann aluminum a by carrera247, on Flickr[/IMG]
[IMG]
VE team Peugeot BP crankset CIRCA 1958 Stronglight 45 Competition and Weinmann aluminum b by carrera247, on Flickr[/IMG]
These Weinmann's do see fairly regular use. At first was a bit scary but after some numerous long days of climbing and methodical approach, I've gained confidence in them. Not only that, the bike they're on runs only a tall geared 4 speed. You do not pounce on them and rather slow torque grind while seated during the majority of climbing. For awhile I was freaking on creaking but discovered it was only the old Lyotard steel cage on aluminum body pedals!
For comparison, here's a few pics next to the Stronglight 45D Competition steel crank. That Stronglight is a pretty svelte oldie crank of which now is cleaned up and on a Bottecchia complete with a single ring also tall geared 5 speed cog. Look at the difference in the beefy Weinmann but its much lighter in weight.
I dig old cottered cranks. Have no fear, ride em' ~~~
Bit of an edit: Many think old cranks have issues but its in how you use them. One can still abuse and snap some modern, even right on the showroom floor. The flex they take is amazing science yet don't fall into the belief its bulletproof.
[IMG]
IMG_9144 by carrera247, on Flickr[/IMG][IMG]
IMG_9145 by carrera247, on Flickr[/IMG][IMG]
VE team Peugeot BP crankset CIRCA 1958 Stronglight 45 Competition and Weinmann aluminum a by carrera247, on Flickr[/IMG][IMG]
VE team Peugeot BP crankset CIRCA 1958 Stronglight 45 Competition and Weinmann aluminum b by carrera247, on Flickr[/IMG]
Last edited by crank_addict; 05-25-16 at 08:32 AM.
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05-25-16, 09:28 AM
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Very fine post!
Thank you.
Thank you.
05-25-16, 08:41 PM
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Boy learn something new all the time on these forums. I had no idea alloy cottered cranks had ever existed - much less how old many of the designs were. Pretty cool.
05-28-16, 02:00 PM
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Are the Weinmann arms Belgian or Swiss?
Here is one more set. Chainwheels are reported to be Verot.
Here is one more set. Chainwheels are reported to be Verot.
05-28-16, 04:41 PM
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I've worked on quite a few cottered cranksets, but only steel. Looks like one has to be extremely careful when assembling alloy ones, right? I can see a forced cotter splitting a crank pretty easily...
05-28-16, 05:07 PM
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Yeah I've worked on a few steel ones myself, it seems like alloy ones wouldnt work well due to the pins that hold the arms on. I cant see them being durable at all.
05-29-16, 03:33 AM
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Very pretty! And with what looks like 48/32 a very useful touring set too.
06-26-16, 08:22 PM
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Here is a Thun set:
01-22-17, 01:25 AM
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Two from Sugino -
Pro Dynamic
VeloBase.com - Component: Sugino Pro Dynamic (Cottered)
Magy (not a typo)
VeloBase.com - Component: Sugino Magy
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Two from Sugino -
Pro Dynamic
VeloBase.com - Component: Sugino Pro Dynamic (Cottered)
Magy (not a typo)
VeloBase.com - Component: Sugino Magy
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01-30-17, 02:42 PM
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Neato zombie thread.
These Weinmann's do see fairly regular use. At first was a bit scary but after some numerous long days of climbing and methodical approach, I've gained confidence in them. Not only that, the bike they're on runs only a tall geared 4 speed. You do not pounce on them and rather slow torque grind while seated during the majority of climbing. For awhile I was freaking on creaking but discovered it was only the old Lyotard steel cage on aluminum body pedals!
For comparison, here's a few pics next to the Stronglight 45D Competition steel crank. That Stronglight is a pretty svelte oldie crank of which now is cleaned up and on a Bottecchia complete with a single ring also tall geared 5 speed cog. Look at the difference in the beefy Weinmann but its much lighter in weight.
I dig old cottered cranks. Have no fear, ride em' ~~~
Bit of an edit: Many think old cranks have issues but its in how you use them. One can still abuse and snap some modern, even right on the showroom floor. The flex they take is amazing science yet don't fall into the belief its bulletproof.
[IMG]IMG_9144 by carrera247, on Flickr[/IMG]
[IMG]IMG_9145 by carrera247, on Flickr[/IMG]
[IMG]VE team Peugeot BP crankset CIRCA 1958 Stronglight 45 Competition and Weinmann aluminum a by carrera247, on Flickr[/IMG]
[IMG]VE team Peugeot BP crankset CIRCA 1958 Stronglight 45 Competition and Weinmann aluminum b by carrera247, on Flickr[/IMG]
These Weinmann's do see fairly regular use. At first was a bit scary but after some numerous long days of climbing and methodical approach, I've gained confidence in them. Not only that, the bike they're on runs only a tall geared 4 speed. You do not pounce on them and rather slow torque grind while seated during the majority of climbing. For awhile I was freaking on creaking but discovered it was only the old Lyotard steel cage on aluminum body pedals!
For comparison, here's a few pics next to the Stronglight 45D Competition steel crank. That Stronglight is a pretty svelte oldie crank of which now is cleaned up and on a Bottecchia complete with a single ring also tall geared 5 speed cog. Look at the difference in the beefy Weinmann but its much lighter in weight.
I dig old cottered cranks. Have no fear, ride em' ~~~
Bit of an edit: Many think old cranks have issues but its in how you use them. One can still abuse and snap some modern, even right on the showroom floor. The flex they take is amazing science yet don't fall into the belief its bulletproof.
[IMG]
IMG_9144 by carrera247, on Flickr[/IMG][IMG]
IMG_9145 by carrera247, on Flickr[/IMG][IMG]
VE team Peugeot BP crankset CIRCA 1958 Stronglight 45 Competition and Weinmann aluminum a by carrera247, on Flickr[/IMG][IMG]
VE team Peugeot BP crankset CIRCA 1958 Stronglight 45 Competition and Weinmann aluminum b by carrera247, on Flickr[/IMG]Weinmann components
the arms look like they may be the same as @non-fixie's unmarked set.
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01-31-17, 12:05 AM
#37
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Surprised that nobody mentions the class act of French cranksets: Specialties TA.
They made this distinctive "hybrid" crank that some will not call a true cottered crankset, but it DOES have the advantage of being a much more durable interface than a "true" cottered crank with a steel pin into a soft alloy arm would ever be.
Classic Rendezvous says it's an alloy cottered crank, so that's good enough for me:
TA cottered
Edit. OK so I looked again and several people DID mention this crank but the thread is so old the pix had vanished...so here are some fresh ones and a link to pics that will remain, we hope, forever.
They made this distinctive "hybrid" crank that some will not call a true cottered crankset, but it DOES have the advantage of being a much more durable interface than a "true" cottered crank with a steel pin into a soft alloy arm would ever be.
Classic Rendezvous says it's an alloy cottered crank, so that's good enough for me:
TA cottered
Edit. OK so I looked again and several people DID mention this crank but the thread is so old the pix had vanished...so here are some fresh ones and a link to pics that will remain, we hope, forever.
Last edited by unworthy1; 01-31-17 at 12:09 AM.
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02-12-17, 07:23 AM
#38
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If you search for Hermesse on my forum, you'll be able to see the variety
I've a similar ring, kept for display since exploded, but hadn't yet seen the alloy cranks (if the crancks are from the same manufacturer. This because REMACO was another Belgian alloy crank producer. The Remaco logo was a triple arrow in star with in the branches, the letters R L G - LièGe.)
03-07-17, 02:48 PM
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Today ran across this OFMEGA Forgiato cottered set mounted on a late seventies Torpado cycle. New-to-me.
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EDIT:
pic fix
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-----EDIT:
pic fix
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Last edited by juvela; 11-07-20 at 03:21 PM. Reason: add image
03-07-17, 05:04 PM
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bates1.jpg.
12-17-17, 03:30 PM
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Another closeup of a Thun (click to enlarge) :
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Another closeup of a Thun (click to enlarge) :
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Last edited by juvela; 12-17-17 at 03:31 PM. Reason: addition
04-12-18, 12:12 PM
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SIAMT* alloy cottered crank arm, Italy 1940's -
---
* Stabilimento Italiano Applicazioni Mecchaniche Torino
firm also produced hubs and pedals
some history here -
https://it.wikipedia.org/wiki/SIAMT
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SIAMT* alloy cottered crank arm, Italy 1940's -
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* Stabilimento Italiano Applicazioni Mecchaniche Torino
firm also produced hubs and pedals
some history here -
https://it.wikipedia.org/wiki/SIAMT
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10-02-19, 07:51 PM
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Take a look at these gems!
Disclosure: no connection but currently listed at
https://rover.ebay.com/rover/0/0/0?m...2F383174028004
Disclosure: no connection but currently listed at
https://rover.ebay.com/rover/0/0/0?m...2F383174028004
10-05-19, 02:17 PM
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01-09-20, 09:13 AM
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Set fitted to a Gnome et Rhone machine dated to immediate postwar era.
The V symbol on the chainguard is for VELLA, a brand for the foundry Foulain.
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Set fitted to a Gnome et Rhone machine dated to immediate postwar era.
The V symbol on the chainguard is for VELLA, a brand for the foundry Foulain.
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02-26-20, 02:43 PM
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Rare Granby ally cottered crank posted on eBay.
(disclosure: Not mine and don't know seller offering this rather scary bicycle part ;"/)
https://www.ebay.co.uk/itm/293488631517
For someone into these rare cranks, price seems to be pretty fair. Hopefully a skilled welder / machinists can repair. Surely are lightweight.
(disclosure: Not mine and don't know seller offering this rather scary bicycle part ;"/)
https://www.ebay.co.uk/itm/293488631517
For someone into these rare cranks, price seems to be pretty fair. Hopefully a skilled welder / machinists can repair. Surely are lightweight.
Last edited by crank_addict; 02-26-20 at 03:26 PM.
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11-07-20, 03:38 PM
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Maxiplum
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MAXIPLUM (not MAXIPLUME), another marque from chainset maker A. Duprat of France:
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MAXIPLUM (not MAXIPLUME), another marque from chainset maker A. Duprat of France:
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11-07-20, 04:16 PM
#50
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^ Those are beautiful!
One thing that I find intriguing are the square bolt heads. I've found them on several crank sets of this type. What's up with those?
One thing that I find intriguing are the square bolt heads. I've found them on several crank sets of this type. What's up with those?