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Centurion Serial Number Database

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Centurion Serial Number Database

Old 02-24-09, 10:43 AM
  #626  
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I've noticed some freewheels seem to have the end "sunk in" a little more than others, which could tend to bring the small cog out farther, but I still don't think that's it. I wonder if it's the shape of the stay?

Pictures would help, maybe not me, but one of the folks who know what they're doing. I just stick stuff on bikes and usually, it works.
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Old 02-24-09, 03:26 PM
  #627  
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Originally Posted by A.Winthrop View Post
.
Hello Banzai,
.
Was your Shimano 7-spd a HyperGlide? My HG 7-spd appears to
be exactly as wide overall as my Shimano 600EX (MF-6208)
6-spd freewheel, that is currently mounted on a 126mm rear-
spaced, threaded hub. The HG freewheel's smallest cog clears
with room to spare the chainstay on my '86 Ironman DS. I
would think it would also clear your Elite's chainstay as,
if memory serves, your Elite is an '86 and I believe both
frames to have nearly the same, if not the same, geometry.
.
It's a mystery to me. It is an HG freewheel. There's nothing funny about the geometry of the frame, nor the spacing of the dropouts. I still have the freewheel as I intend to diagnose this at some point, but figuring out this puzzle went to the backburner when my daughter was born 7 months ago.

Originally Posted by A.Winthrop View Post
.
That might be easier for you, who must have had some engineering training in
Colorado Springs, than for me who was only trained in English
lit and history. I spent a year in the Springs (Fort Carson)
but only as a nuclear-capable 8" Howitzer gun bunny.
.
Oh ho! Lucky for me, I didn't attend a quaint technical school at C-Springs, but rather am another proud liberal arts grad with a degree in Psychology from the University of Kansas.

Originally Posted by RobbieTunes View Post
I've noticed some freewheels seem to have the end "sunk in" a little more than others, which could tend to bring the small cog out farther, but I still don't think that's it. I wonder if it's the shape of the stay?

Pictures would help, maybe not me, but one of the folks who know what they're doing. I just stick stuff on bikes and usually, it works.
I may get around to taking pictures someday. It is a mystery to me, and I'm pretty proficient in LOTS of bicycle mechanical issues.
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Old 02-24-09, 05:08 PM
  #628  
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"Is SF really that high of a market?" Craigslist is a well used medium here. High prices melt down or get reposted until they are flagged into neverneverland. My "for sale" items, if priced right, go in 3-4 days, with maybe 5-10 inquires.
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Old 02-24-09, 06:23 PM
  #629  
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Wow. Here, CL is to buy a bargain, not sell for a home run. And they sit and sit, unless they're a bargain, then whoosh.
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Old 02-24-09, 07:04 PM
  #630  
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Here's a new addition to the list: my first Centurion.

SN is S4D9060.
I've got a separate thread for it, but I figured I'd add some info here too.
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Old 02-25-09, 07:05 AM
  #631  
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That's nice. What size chainrings are those?
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Old 02-25-09, 09:11 AM
  #632  
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Originally Posted by RobbieTunes View Post
That's nice. What size chainrings are those?
34-52. Talk about range.
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Old 02-26-09, 09:47 AM
  #633  
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Super, Super information.
Thanks to T-Mar for the info and A.Winthrop for relaying same.
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Old 03-08-09, 05:36 PM
  #634  
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Sup guys, just got a centurion le mans for $20 at a garage sale.. Here are the pics of the bike. Does anyone know what year this was built? i'm guessing 86' 87'???, and is the head set 1" or 1 1/8th"? just want to ask and confirm

Thanks all




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Old 03-08-09, 05:45 PM
  #635  
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Following up on T-Mar's helpful advice...

The "FSD" on the old Mavic hub that I found was something around 33-34mm. In other words, too small for the 7 speed freewheel.

I've solved this little problem though. About 30 minutes ago I re-spaced the frame IAW Sheldon Brown's instructions...now running an 8 speed cassette on modern 105 hubs.

Off to C&V hell for sure...
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Old 03-08-09, 06:15 PM
  #636  
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Originally Posted by Jocache83 View Post
Sup guys, just got a centurion le mans for $20 at a garage sale.. Here are the pics of the bike. Does anyone know what year this was built? i'm guessing 86' 87'???, and is the head set 1" or 1 1/8th"? just want to ask and confirm

Thanks all
OK, the paint job is 1988, but they were made in '87. The serial number on the bottom would say when it was made. The '88 Ironman came in the same scheme. I had a Lemans RS just like that, and have an Ironman with that paint scheme also. In 1989, they made it like that in blue.

The head set is 1" threaded, by Tange. Wheels would run 700c, and it should have Shimano Light action components, likely Exage brakes with SLR aero lever.

Good luck with that, it's Tange 2 frame is right up there, only about 2 oz heavier than the Tange 1, so it makes a good road bike.
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Old 03-08-09, 06:18 PM
  #637  
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Originally Posted by Banzai View Post
Following up on T-Mar's helpful advice...

The "FSD" on the old Mavic hub that I found was something around 33-34mm. In other words, too small for the 7 speed freewheel.

I've solved this little problem though. About 30 minutes ago I re-spaced the frame IAW Sheldon Brown's instructions...now running an 8 speed cassette on modern 105 hubs.

Off to C&V hell for sure...
Welcome to my world. Good job making it work for you.
All but one of my Ironman bikes are now 8-sp STI..... I'm a goner.
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Old 03-14-09, 05:27 PM
  #638  
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riva, who was so much help getting me an Ironman Carbon frame set, has succumbed to the Centurifever. I'm sure he'll send pics when he can, but he picked up an '83 Elite for a pittance...

Now that we've got him cultified, we're on both coasts...heh heh,...nationwide.....

And I'm thinning my herd quite a bit...so anyone who had thoughts about one of mine, maybe drop me a note....
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Old 03-14-09, 08:00 PM
  #639  
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Digits in the last pic!

Man they put non-SS spokes on some pretty decent bikes, same story with the nishiki and specialized hanging up next to the elite. Oh well, mebbe I'll lace up my extra-medium V's for the elite.

Old lady made me hang everything up in the garage and get em all out of the house today. Guess buying the elite was the last straw. You know youve got problems when she comes home with a ten pack of hooks and it only gets the job half done..
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hanginout.jpg (94.1 KB, 44 views)
File Type: jpg
centurion.JPG (67.9 KB, 35 views)
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elite.JPG (46.6 KB, 33 views)
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Old 03-14-09, 08:25 PM
  #640  
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That thing is going to be your prettiest bike.
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Old 03-15-09, 12:23 AM
  #641  
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I'm sure you're right, although that probably says less about this particular bike than it does the rest of my stable. First bike of mine that has a named tube set.. I'll compare the ride and see if its more than just hype.
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Old 03-16-09, 01:18 AM
  #642  
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well when I powder coated my Centurion...seems I can no longer read the serial number!
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Old 03-16-09, 06:24 AM
  #643  
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Originally Posted by dauphin View Post
well when I powder coated my Centurion...seems I can no longer read the serial number!
Well, that happens. At least you've got a well-protected frame.
How did the lug work come out?
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Old 03-16-09, 10:15 AM
  #644  
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Your powdercoater put it on too thick. I powdercoated mine, and the serial number is perfectly legible, and the lug edges are still crisp.

He did a fine job of it...looks like paint, really.
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Old 03-16-09, 02:27 PM
  #645  
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I'm thinning my "database."
See the For Sale threads....

Still keeping plenty...I'm sure they won't all sell, either.
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Old 03-16-09, 02:49 PM
  #646  
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I thank the biking gods that Carbon isn't a 56 or a 58.
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Old 03-16-09, 03:06 PM
  #647  
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Originally Posted by txvintage View Post
I thank the biking gods that Carbon isn't a 56 or a 58.
It's carbon. I can make it any size you want...

I got the Shimano version to 18.5 lbs, and when the yellow Looks come in...
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Old 03-16-09, 04:12 PM
  #648  
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Damn. I guess that carbon weave isn't just about the bling then eh.
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Old 03-16-09, 05:37 PM
  #649  
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Originally Posted by riva View Post
Damn. I guess that carbon weave isn't just about the bling then eh.
That's the same frame you sent me, Eric. I've learned to accessorize.
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Old 03-19-09, 02:56 PM
  #650  
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Centurion LeMans Proportional, circa 1988, 18" frame. Serial number on BB N7P6498.
Shimano Exage Sport Drivetrain and brakes. Nice white Aero hoods. DT shifters.
Shimano Biopace SIS crankset.
Araya rims. 650c?
Shimano Hubs. 6 speed rear wheel.
26"x1" labelled tires.
Sugino Fluted seatpost. Vetta anatomic seat. Kusuki Winpista alloy bars.
Frame sticker says Tange 2 chromo frame tubing. Fork says Tange mangaloy.
Awesome '80's graphics! ;-)






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