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Discussion Starter · #1 ·
Hi all, I have a 1983 Trek 400 which I would like to modify so that it's more usable and comfortable for me.

The first order of business is the handlebar. The current one is quite narrow (40cm?) and I'm used to something wider (44cm). I would like to install the following handlebar but I have no clue if it will fit in the stem or not...

XRP Elite Ergo 6061 OS Road Handlebar
Fits 31.8mm OS stems.

So, will this fit on the original stem? If not, which stem should I replace the original with? I'm looking for something that will allow the handlebar to rise a bit more than the current setting.

<a href="https://www.flickr.com/photos/unixville/161007546/" title="Photo Sharing"><img src="https://static.flickr.com/77/161007546_0f692a2fe4.jpg" width="500" height="333" alt="trek400final" /></a>

-L
 

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Won't fit. You need a quill adapter for a threaded fork. Costs ten or fifteen bucks. You can then fit an oversize stem on it. Good luck.
 

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Discussion Starter · #3 ·
rcnute said:
Won't fit. You need a quill adapter for a threaded fork. Costs ten or fifteen bucks. You can then fit an oversize stem on it. Good luck.
Is that what has been done in this photo or are they using a different type of adapter?

<img src="https://www.vintage-trek.com/images/trek/BobSchutter/toptube50.JPG">

-L
 

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Looks like it's just a threadless headset/stem setup to me (a different kind of headset/stem than your quill style) and if so, a different fork steerer tube is required for that headset/stem combo. If you want to keep your fork look for the adapter. As to raising the handlebar height, you might be able to get more height out of your current setup, have you tried?
 

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Discussion Starter · #5 ·
Bikinfoolferlife said:
Looks like it's just a threadless headset/stem setup to me (a different kind of headset/stem than your quill style) and if so, a different fork steerer tube is required for that headset/stem combo. If you want to keep your fork look for the adapter. As to raising the handlebar height, you might be able to get more height out of your current setup, have you tried?
I'm pretty new to this...

How would I get more height out of my current setup? Pull the headset out a bit?

And can I replace the handlebars if I keep the current quill stem?

-L
 

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Look at the stems and bars from Rivendell and read the explanations about clamp diameter and quill diameter, or give Rivendell a call. They've always had an interest in keeping older bikes rolling. IMO, buying a quill stem and a wider bar to fit your Trek it is the simplest and best-looking way to get more bar height.

http://www.rivbike.com/webalog/handlebars_stems_tape/


Here's a pic of two quill adapters I have laying around. Replacing your current stem with one of these would allow you to use a modern threadless stem as rcnute said, but you can see there's no height adjustment if you want to ride safely. Also, why put a butt-ugly threadless stem on that classy bike? :D I wouldn't go that route.
 

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I'd take it to mt local bike shop & ask them to measure it for me. You might also find the parts you need there. I often find that stuff at my LBS is actually cheaper than from on-line mail-order shops. Especially when you figure in shipping charges & wait time.
 

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lazyrack said:
Anyone know off-hand what diameter handlebar would fit on this Trek 400?

-L
should be the 'standard' 26.0, but could be 25.4. it might also be listed on the vintage trek site. http://www.vintage-trek.com/
it should also be stamped on the handlebar somewhere, but you would probably need to take off the bar tape.

did you check out sheldonbrown.com's site/info?
here's a coupla links
http://www.sheldonbrown.com/deakins/handlebars.html
http://www.sheldonbrown.com/harris/handlebars/index.html
 

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Discussion Starter · #11 ·
I made some changes to the bike mainly in regards to the handlebars and brakes. It might make some vintage/retro purists cringe, but the bike seems much nicer to ride now. The brakes work great, although the shifters are a bit out of reach and will take some getting used to. Converting the bike to single-speed is one idea but I sorta like knowing that the gears are there just in case I need em.

I replaced the handlebars, brakes, saddle, and took off the front fender. The front fender was a bit bent and hit my foot a little too much. I'd like to possibly add a front rack but I have not seen anything cheap and simple enough for my tastes.

<a href="https://www.flickr.com/photos/unixville/220809594/"><img src="https://static.flickr.com/82/220809594_c2b38119ab.jpg?v=0" border="1"></a>

-L
 

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Discussion Starter · #13 ·
likeguymontag said:
Looks pretty sweet. I see you changed the brake levers, but you might think about upgrading the brake calipers as well. If not new calipers, then definitely make sure the brake pads are newer than 1983.
Thanks!

The brakes seem to work very well now so I doubt I'll upgrade them just yet. Maybe after 6/12 months I'll finally convert it to a real single-speed, but until then I'm just gonna use it a lot in order to figure out what it truly 'needs' in the long run.

-L
 
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