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I would like to raise the handlebars. I have loosened the stem wedge nut and the handle bars will not budge. I've tried everything almost to the point of losing the ball bearings in the steering shaft. Are these handlebars even adjustable? I can loosen the stem bolts and the handlebar swivels up and down, but the shaft will not budge up or down. I'd appreciate any help you could give. Thank you, joe

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Hey joe - Sounds like you have a classic stuck stem. Here are a couple things to try.

1 - Loosen the stem through the top bolt so the wedge is loose, but not removed. The give the top of the stem a good hit or two with a plastic mallet. That should break the bond between the steerer and the stem. If that does not work...

2 - Use liquid Wrench and drip around the stem so it seeps in-between the stem and steerer. Let sit a while then try the plastic mallet again.

sometimes you will need to work the stem back and forth a bit by using the handlebars as leverage and bracing the front wheel between your knees.

If neither of these get your stem loose, then it's time to take into a bike shop.

BTW - stems have a maximum insertion/ extension. There is a line of max extenstion that should be on the shaft when you get it removed. If you discover that the stem will not raise your handlebars enough, then you can get a replacement stem with a higher shaft and greater angle to lift the bars up.

Posted on Nov 18, 2010

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I want to raise my handle bars just a bit have unscrewed everything and still won't budge


There is a bolt at the top of the stem (the part that fits in to the fork and clamps around the handle bars) which is the only thing you need to loosen to raise the handlebars.
It should only need to be loosened 2 or so full rotations. (If you have loosened it a lot, tighten it back up a bit.) The secret is that you need to bop that bolt with a mallet. (The stem is held in place by 2 wedges- they jam together to make the connection secure. Sometimes they get a little stuck.)
If that doesn't work, try loosening the bolt another turn and bopping it harder.
(Make sure that you don't raise the stem up any higher than the "insertion point"- the series of lines on the stem to mark it's maximum height. And make sure that you don't damage the bolt from hitting it too hard.)
If that doesn't work- I'd recommend taking it to a shop. They shouldn't charge to much for the adjustment... all the shop's I've worked at would do it either for free or for under $10.

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1 Answer

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Depends on what style of handle bars you have or what you want to do. Do you want to change the handle bars? Change height?Change the angle or stem?

You need to know what kind of headset you have on your bike. Either you have a "Threadless" or a "Threaded" headset. A "Threadless" headset has a star nut wedged in the fork tube and a hex bolt that goes through a plug on the top of your stem down into the star nut to compress everything together. You can easily change stem angle, length and height with a new stem which is realitivly inexpensive. If you have a "Threaded" headset the riser tube and stem are all one piece and it has a split/bolt at the bottom of the riser bar. As you tighten the split/bolt it tries to seperate wedging itself in your fok tube making everything tight. Not as easy to change but just as inexpensive.

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1 Answer

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1 Answer

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1 Answer

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