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Old 04-10-05, 07:53 PM   #1
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As most of you know, I recently bought an 04 boulder se. I dug out an old mountain bike I had because my girlfriend was wanting something basic to ride around town with me. Unlike me, where I want to have something very reliable and study, she just wants to be able to coast at 15 mph and able to stay in shape a little bit, so when I told her she can have my old mountain bike she flipped out and was so excited.

At first I kind of cringed, thinking well maybe it's best we get you something new. But I bought a 300 dollar bike when I'm going to do a lot of long distance and occasional trail biking, she'll probably ride about 3 or 4 times a week a couple miles around her area. So I figured a quick checkup on this mountain bike was necessary, and that if it passed my "inspection" it would suit fine.

I redid the brake systems, they were a little dirty and needed new washers and new brake shoes. Now they work like a charm. I'm unsure of something else though. If I move the bike forward but continuously hit the front brake, the front end kind of jumps. I don't know the proper name, it's right below where the stem connects to the handlebars, but above the fork. Look at this picture.

http://i2.photobucket.com/albums/y36...updatedpic.jpg

When I hit the front brakes, it's evident this piece is a little loose. It's not very loose, just a tad. It's one of those things that you know doesn't matter, but you want to fix it anyway "just because."

Do I just have to tighten this up, or what? I didn't have the proper tools with me when I took the bike to my girlfriend's house and noticed it, so I figured I'd ask here before going over there to screw it up later this week.
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Old 04-10-05, 08:12 PM   #2
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Wait wait so the steer tube of the fork actually has play in the headtube? If thats the case, I hope your familiar with headsets.
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Old 04-10-05, 08:17 PM   #3
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Easy fix. Undo the bolts holding the stem to the steerer, just to loosen them, then tighten the top-cap bolt (the bolt on the top of the steerer). This, in turn, compresses the whole stem/spacer/steerer combo eliminating the play you're having. Re-tighten and align the stem and you're good to go.
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Old 04-10-05, 08:24 PM   #4
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I came across a bike with that problem, it turned out whoever installed it has issues with compression rings
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Old 04-10-05, 08:55 PM   #5
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Quote:
Originally Posted by phantomcow2
I came across a bike with that problem, it turned out whoever installed it has issues with compression rings
okay
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Old 04-10-05, 09:00 PM   #6
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The bike didn't always had this problem.

I probably screwed it up somewhere along the way, heh.

btw, thanks Trekkie.
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