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1987 Centurion Ironman Master

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1987 Centurion Ironman Master

Old 05-07-19, 08:02 AM
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1987 Centurion Ironman Master

Rather than posting random updates in the Ironman thread, I thought I'd start a separate thread to condense everything in one place regarding my '87 Master.
It's very, very filthy, but the paint looks pretty nice under all the grime, so it should clean and polish up well.



Last edited by hazetguy; 07-13-20 at 02:39 PM.
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Old 05-07-19, 08:02 AM
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My friends bought it, I think in late January and have been storing it for me since then.
The front tubular tire does not hold air for very long.
I was able to ride it around my driveway a little, and I dunno, it just feels really great, even in it's current craptacular condition.







Yellow threaded tires?


Last edited by hazetguy; 07-13-20 at 02:40 PM.
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Old 05-07-19, 08:03 AM
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Top tube is 56.5cm (565mm) center to center.

I have a couple questions:
I originally posted this as being an '86, based on the "6" in the serial number. However, I do not see this paint scheme and components in the '86 catalog, but they are in the '87 catalog.
So what "year" is it?


Last edited by hazetguy; 07-13-20 at 02:40 PM.
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Old 05-07-19, 08:04 AM
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Gave the IM a wipedown with a wet towel today, and even though it was not the best cleaning job, it looks considerably better. I removed the old Paramount cycling computer thing, removed the silver bike shop sticker, and began polishing compounding a little of the white paint near the Tange sticker, and it is shining up pretty nicely. The best thing though, was getting those tri-bars off, and a regular drop bar installed. Removed the Nitto stem that was there, and replaced it with a fancier Nitto stem.
I realize it needs to be taken down to a frame and thoroughly gone through, and that is the plan, but it's nice to see the potential at this stage of the game.


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Old 05-07-19, 08:05 AM
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Frame is completely stripped down, and I've begun gathering some parts, focusing on which direction to go with the yellow one.

Last edited by hazetguy; 07-13-20 at 02:41 PM.
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Old 05-07-19, 08:06 AM
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The bottom bracket that came with the IM had a pittled axle
Bottom bracket that was in it:

Last edited by hazetguy; 07-13-20 at 02:41 PM.
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Old 05-07-19, 09:43 AM
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I got my Ironman down to 21-1/2 lb by installing Microshift brifters and Vuelta XRP racing wheels on it. You shouldn't have a problem getting yours close to 21 lbs too.
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Old 05-07-19, 10:31 AM
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Originally Posted by hazetguy View Post
Well, the OMAS bottom bracket (and the other three titanium bottom brackets I have) didn't play nicely with the crankset I want to use.
What was the problem ? Taper , length ?

Last edited by markwesti; 05-07-19 at 12:34 PM.
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Old 05-07-19, 11:20 AM
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Originally Posted by hazetguy View Post
Top tube is 56.5cm (565mm) center to center.

I have a couple questions:
I originally posted this as being an '86, based on the "6" in the serial number. However, I do not see this paint scheme and components in the '86 catalog, but they are in the '87 catalog.
So what "year" is it?...
Yellow white Master is 87. Your s/n says frame made in July of 86. My identical bike is N6S... So made a little later in 86.
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Old 05-07-19, 04:40 PM
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The bb issue was a combination of spindle length, taper, just not being able to get a good chainline distance, etc.

Regarding 86 vs. 87: this was discussed in the Ironman thread. I know it's an 87 model, made in 86. I just copied and pasted my posts from the Ironman thread to condense them without doing much editing. Thanks for confirming what the Ironman Mafia said in the Ironman thread.
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Old 05-07-19, 06:00 PM
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Originally Posted by texaspandj View Post
Have you cleaned frame and if so, how bout a pic of that?
Yes. I cleaned and polishing compounded the frame and fork. There are many scratches to de-rust and touch up, but for now I'm just gonna let them go. I did remove the chainstay guard thing, as it was mostly peeled up, and I'll put a nice looking one on in its place. Some pics:





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Old 05-07-19, 08:32 PM
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Hot Dang!
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Old 05-07-19, 10:06 PM
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Looks great and is making me feel lame for not doing anything yet with my Ironman!
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Old 05-07-19, 10:21 PM
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Looks great and is making me feel lame for not doing anything yet with my Ironman!
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Old 05-09-19, 10:41 AM
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The frame cleaned up nicely!

LOL @ The "Ironman Mafia"
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Old 05-23-19, 10:13 AM
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Man I love the centurion. I have my father-in-laws from the early 70s the thing is a tank.... and I mean tank it weighs a ton.
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Old 05-23-19, 06:46 PM
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Great results. I should try that with my Miami Vice bike.
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Old 05-23-19, 07:19 PM
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Waiting to see how you like your IM ride compared to your Trek 660.
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Old 05-24-19, 11:10 AM
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Originally Posted by hazetguy View Post
Yes. I cleaned and polishing compounded the frame and fork. There are many scratches to de-rust and touch up, but for now I'm just gonna let them go. I did remove the chainstay guard thing, as it was mostly peeled up, and I'll put a nice looking one on in its place. Some pics:





Love the yellow tires.
This stuff would look great on that bike!
Sante groupset (no connection to seller)
Good luck with the build.
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Old 05-24-19, 11:14 AM
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Thanks everyone. I am waiting for a part to arrive before moving forward with the build.

To clean the frame & fork, I use terrycloth towels, cut into strips, Turtle Wax Polishing Compount Light to Medium Cleaner, and a lot of elbow grease.

Last edited by hazetguy; 07-13-20 at 02:42 PM.
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Old 05-24-19, 11:20 AM
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Originally Posted by hazetguy View Post
Thanks everyone. I am waiting for a part to arrive before moving forward with the build.
I am going "non-Shimano" on this bike, at least as much as possible. Once that last part arrives I'll start posting some pics again.
To clean the frame & fork, I use terrycloth towels, cut into strips, and Turtle Wax Polishing Compount Light to Medium Cleaner, and a lot of elbow grease.
What a dramatic change... really nice work!
Seedless cotton diaper batting, available cheap at most fabric stores, works great for polishing as well.
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Old 05-24-19, 12:45 PM
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Headset is on the way. My little part in Ironman world dominance.
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Old 05-24-19, 02:22 PM
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And I really appreciate that Robbie. You know I owe you one (or more) for that. Thanks again!
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Old 06-05-19, 06:51 PM
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Well, I got my other Ironman all readied for the Clunker Challenge #5 , and then saw the yellow one, all disassembled, parts in a few boxes, looking all sad. So I decided that today was the day to begin assembly (darn it, I want to ride this already!!)
Before I did anything, I weighed the bare frame. No headset, no dropout screws, no bottom bracket, just the bare frame. It came in right under 6 pounds.




I found a decent Tange Levin CD headset in my bag o' goodies, cleaned, lubed, installed that.

Last edited by hazetguy; 07-13-20 at 02:43 PM.
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Old 06-06-19, 06:54 AM
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That Sprint brake set looks like a nice one. The levers look comfortable.

Nice job cleaning this up so far.

Last edited by BFisher; 06-06-19 at 06:54 AM. Reason: spelling
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