need help i.d.'ing these cranks
05-30-04, 09:17 AM
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need help i.d.'ing these cranks
i picked these cranks up from a local bike "scrapyard" and was wondering if anyone knew what they are. any info whatsoever would be greatly appreciated. thanks.
05-30-04, 12:42 PM
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05-31-04, 12:36 PM
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Originally Posted by xwarp
i picked these cranks up from a local bike "scrapyard" and was wondering if anyone knew what they are. any info whatsoever would be greatly appreciated. thanks.
05-31-04, 05:29 PM
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I need to activate the Cyrillic alphabet on my computer, Magna Man of New York! Elsewhere in this forum, did you check out the thread on the Sputnik bicycle?
You may be able to narrow down the manufacturer if the spider has an unusual BCD. Measure the distance between adjacent holes, center-to-center, then refer to Sheldon's website (glossary: BCD) for the simple geometric conversion factor. A BCD of 122mm would indicate Stronglight; 128mm, Nervar; 135mm, Campag.; 130mm, anything (sorry).
You may be able to narrow down the manufacturer if the spider has an unusual BCD. Measure the distance between adjacent holes, center-to-center, then refer to Sheldon's website (glossary: BCD) for the simple geometric conversion factor. A BCD of 122mm would indicate Stronglight; 128mm, Nervar; 135mm, Campag.; 130mm, anything (sorry).
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"Far and away the best prize that life offers is the chance to work hard at work worth doing." --Theodore Roosevelt
Capo: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger (2), S/N 42624, 42597
Carlton: 1962 Franco Suisse, S/N K7911
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1982 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069
"Far and away the best prize that life offers is the chance to work hard at work worth doing." --Theodore Roosevelt
Capo: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger (2), S/N 42624, 42597
Carlton: 1962 Franco Suisse, S/N K7911
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1982 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069
06-01-04, 04:44 PM
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Originally Posted by xwarp
i picked these cranks up from a local bike "scrapyard" and was wondering if anyone knew what they are. any info whatsoever would be greatly appreciated. thanks.
- Vincent.
06-01-04, 05:01 PM
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Originally Posted by John E
I need to activate the Cyrillic alphabet on my computer, Magna Man of New York! Elsewhere in this forum, did you check out the thread on the Sputnik bicycle?
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06-02-04, 08:38 PM
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I go with ishy bunny. I don't recognize the spider but the arms themselves look like Cook.
06-09-04, 05:52 PM
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On closer inspection I would think Ishy nailed the BCD at 110 so that would rule out road cranks. They still LOOK like Toplines tho'. Came in 170mm to 180mm in 2.5 mm increments. One version (superlight) "has additional mill work performed to the arms to reduce weight". But the pictures I have don't show said mill work. So ????
06-10-04, 07:11 AM
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Originally Posted by cyclodan
On closer inspection I would think Ishy nailed the BCD at 110 so that would rule out road cranks. They still LOOK like Toplines tho'. Came in 170mm to 180mm in 2.5 mm increments. One version (superlight) "has additional mill work performed to the arms to reduce weight". But the pictures I have don't show said mill work. So ????
Actually, I think you are correct in that they are Topline cranks. I've never seen Topline cranks in person (although I have seen the Cook Brothers), but I managed to find this link:https://www.bikepro.com/products/cranks/topline.html
It mentions the BCD is 130mm and if you look very closely, you can (just barely) see the fluting on the sides of the crank.
I wonder whether or not they also did the machining for the Cook Brothers cranks, since they look nearly identical. But the spider really does look like the Topline shown in the link.
