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Old 07-03-10, 06:10 AM   #1
Gavush
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my Panasonic DX-2000 identification / short rebuild thread (re-named)

co-worker gave me this bike yesterday... a couple of years ago I put some new cables on it for him and took him out on a ride as he insisted that it couldn't be that difficult (his hobbies are playing basket ball and bar hopping) and since then he had used it as dui-preventative transportation on a few occasions and decided he didn't want it. He's been "bringing it into work" for about a year and he finally delivered when he needed some work on his vehicle and I told him 'not till you bring in that bike.

So, the question is... what is it?? I'm leaning towards Panasonic because that's what the seat says on the back of it. I know it's not much to go on, but it seems to jive. I might be able to get through the spray-paint with some throttle body cleaner to see... but then I'd have to paint it again. Not that it would be a bad thing, really, but more work than I'm looking for at the moment.






Last edited by Gavush; 10-09-12 at 04:54 AM. Reason: added another pic
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Old 07-03-10, 07:55 AM   #2
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Could be right. Most of the lug details are the same as the 87 PT3500 I just sold and the SN is in the same format and location.
http://panasonicbikemuseum.info/ see if you can match the parts.

Date the components and that will get you close to the build date if original.
http://www.vintage-trek.com/component_dates.htm

I'd guess about 88
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Old 07-18-12, 08:08 PM   #3
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Grim wins the cookie... good analysis, off a year but real close!

Finally got down to tearing this thing apart... I've a friend who is interested in riding and I'm going to sort it out for him to ride until he decides if he wants to get serious and buy something nice.. then I'll throw fenders on it for in the rain. Anyway, I found red paint up front, and white paint in the back and center, and using that information, the components that were on it, and the hunch that I thought it was a panasonic I managed to ID it as an '87 DT-2000 using https://lh4.googleusercontent.com/-U...2000Page13.jpg - it's actually got almost all of it's original parts. Looks like the only things not original are the rear derailleur and hub. Unfortunately the bottom bracket is pretty rough on the adjustment side though the bearings look ok, front hub cones are a little pitted... stem is stuck in the steer tube and one of the pedals was giving me trouble but I plan to kroil those for a bit... head set feels pretty gritty and notchy so we'll see there... but looks like I'm going replace the front bearings (toast) to re-grease it all and replace the cables and housings, hoods and tape. I already have a sette italia saddle I picked up at goodwill for a couple of bucks that felt pretty good out to the redbox the other day... (The panasonic one was horrid)


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Old 07-18-12, 08:28 PM   #4
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If the Kroil doesn't work on the pedals use a torch. Of course you'll have to repack your pedals afterward.
Unfortunately when it comes to the stem, your plan B is the hacksaw.

In any case, that bike is worth some effort - and maybe a pro PC job too.
These DX Panasonics were very nice bikes. I had a DX3000 for a while, and liked it a lot. It came with an Italia saddle by the way, and I'm very surprised you came up with one of those at your Goodwill store. - It seems like Goodwill has killer deals everywhere but here.
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Old 08-11-12, 03:06 PM   #5
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I wasn't able to get the stem out.. I got it to turn while holding the crown in a benchvise but that was about it. Decided to leave it as is... took loose the headset and serviced the bearings as they sit. Sand on the frame for several hours, washed it, allowed to try... threw on some paint. it was rustolium's hammered finish painter/primer combination. Wanted something that would hide blemishes, etc.. and aside from some runs (had to lay it on thick for the effect to work) it looks super cool. Has a bowling ball feel to it. looks all swirly but the finish is mostly smooth. We'll see how it holds up.


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Old 08-11-12, 04:36 PM   #6
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Quote:
Originally Posted by Gavush View Post
since then he had used it as dui-preventative transportation
your friend sounds like a regular Einstein. someone should have told him you can still get a DUI on a bicycle.

Last edited by zazenzach; 08-11-12 at 04:41 PM.
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Old 08-11-12, 05:13 PM   #7
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Did you try tapping the top of the stem once, sharply, with a hammer? That will often free up a stuck stem.
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Old 08-11-12, 05:30 PM   #8
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Originally Posted by auchencrow View Post
If the Kroil doesn't work on the pedals use a torch. Of course you'll have to repack your pedals afterward.
Unfortunately when it comes to the stem, your plan B is the hacksaw.

In any case, that bike is worth some effort - and maybe a pro PC job too.
These DX Panasonics were very nice bikes. I had a DX3000 for a while, and liked it a lot. It came with an Italia saddle by the way, and I'm very surprised you came up with one of those at your Goodwill store. - It seems like Goodwill has killer deals everywhere but here.
Auchen,
The metro Detroit area stores probably cherry pick the good stuff for their own relatives. The Grand Rapids store seems to have deals. I just had a friend pick up a Schwinn Peloton over there that I bought online. He said it is in VG condition, under $150.
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Old 08-12-12, 08:49 AM   #9
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yeah, tried to hammer it in further a bit w/ a deadblow plastic mallet. It was taking about 100ftlbs of force to turn it, so it's not like it was just a little stuck.
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Old 10-03-12, 08:25 PM   #10
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well, it's all done. I wound up ordering the newer style brake levers because I couldn't find black hoods for the earlier ones. pedals, rack and fenders via my Dad a few years ago, had the fenders rigged on my kid-trailer pulling mtb and the rack was an extra. Never did anything with the stem... the height and reach is fine so I'll just leave it. Figured I'd add this here since I don't really need a new thread for it. May or may not swap saddles and ride it for MS150 this weekend. Depends on if it's likely to rain or not. (edit) Oh, and so it's got new brake pads, cables, housings, brake levers, chain, repacked though slightly galled bottom bracket, new bearings in front hub (spindle also slightly galled) cleaned and repacked headset (without completely removing components, but it loosened enough to do the job) Umm... goodwill saddle. everything is all clean, pivots etc oiled... I didn't polish the aluminum tho. On purpose. I wanted to make sure I wouldn't feel bad about riding it in the rain, which is half the reason I built it. (other half is for a friend to ride / misc loaner) and possibly... add a triple and maybe pull the kids with it. guess that's bout it.


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Old 10-09-12, 04:57 AM   #11
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Friday evening - installed my usual saddle, rode it around my subdivision about four times, made a couple of adjustments, loaded it in the car. Saturday / Sunday - MS150. I'm super impressed with how it rides, though I've only one other road bike to compare it to... it does have some hop to the front wheel that needs to be sorted so long as the spokes aren't stuck but otherwise it goes beautifully.
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