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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 03-01-08, 09:46 PM   #1
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Headset cup.

I'm having a really hard time trying to get these out. Any ideas?
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Old 03-01-08, 09:59 PM   #2
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Slide hammer or a punch.
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Old 03-01-08, 10:04 PM   #3
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What tool are you using?
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Old 03-01-08, 10:43 PM   #4
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What tool are you using?
Everything in my household. It consists of crow bar and mallet with flat head screwdriver. I sprayed stuff to loosen it, but it doesn't help.
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Old 03-01-08, 10:52 PM   #5
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3/4" copper pipe. split the pipe with one cut about 4-6inches. Spread the pipe end with the cut so that it is greater than the head tube diameter. slip it in the head set. a few hard taps with a hammer will pop it out. or buy the tool for more money.
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Old 03-01-08, 10:53 PM   #6
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3/4" copper pipe. split the pipe with one cut about 4-6inches. Spread the pipe end with the cut so that it is greater than the head tube diameter. slip it in the head set. a few hard taps with a hammer will pop it out. or buy the tool for more money.
Good idea, I think I'll have to head to the hardware store tomorrow.
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Old 03-01-08, 11:46 PM   #7
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Here is a DIY instruction by Dave Moulton:
http://davesbikeblog.blogspot.com/20...placement.html

For an unknown reason, this small tube at Home Depot costs $7 while a much longer one costs $16.
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Old 03-02-08, 12:28 AM   #8
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3/4" copper pipe. split the pipe with one cut about 4-6inches. Spread the pipe end with the cut so that it is greater than the head tube diameter. slip it in the head set. a few hard taps with a hammer will pop it out. or buy the tool for more money.
I was going to buy the park tool until I saw it was just a piece of pipe with a slit, and expanded over a conical anvil.

so I also made one (I used steel "gas" pipe)
cost: 69 cents
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Old 03-02-08, 02:49 AM   #9
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A long screwdriver will work.
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Old 03-02-08, 09:08 AM   #10
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The bonus of copper over steel is that, if you want to reuse the headset, using a steel pipe or punch can mar the cup.
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Old 03-02-08, 09:12 AM   #11
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If you don't do this operation often, it may be cheaper/easier to just have a shop pop them out (and press in the new cups, by the way). I usually just use a mallet and a pipe, as posted above.
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Old 03-02-08, 10:47 PM   #12
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#&%()(*(^&^%^%!#$^&&**)!!!!!!

The copper pipe thing didn't work. Not even a budge. About 8 years never touched. I'll probably have to take it too the shop. Probably get the fork race out as well.
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Old 03-02-08, 11:12 PM   #13
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Depending on what the shop charges, the Park RT-1 may be a better deal if you ever have to remove a headset again.
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Old 03-03-08, 12:02 AM   #14
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Depending on what the shop charges, the Park RT-1 may be a better deal if you ever have to remove a headset again.
I think I need a pro to do it since it hasn't been touched/taken out in about 8 years. After this I think the tool I made should be fine.
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Old 03-03-08, 12:07 AM   #15
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I think I need a pro to do it since it hasn't been touched/taken out in about 8 years. After this I think the tool I made should be fine.
Seriously fuzz...all a pro will do is smack that tool with a hammer...really, really hard.

The only reason I suggest it is I know you're into bikes, probably will be for the rest of your life, and will find a use for it again. Think of it as an empowerment thing: You'll hold the key to headset removal forever more, either for yourself or for a friend in need. Also, unlike a homemade tool (I could've told you that copper is too soft) if you ever wail on it a bit too hard and break it, Park will replace it.
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Old 03-03-08, 01:40 AM   #16
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For what it's worth, I've never been charged for removing a headset cup. I've made the copper tube tool, but with the cost of copper shooting up, it's almost the same price as buying one from nashbar. The nice thing about taking the bike to a shop is that they have the right tools to get it out without damaging the frame. The headset will definitely need to be replaced.
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Old 03-03-08, 01:58 AM   #17
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The copper pipe thing didn't work. Not even a budge. About 8 years never touched. I'll probably have to take it too the shop. Probably get the fork race out as well.
Hammer it a couple times hard, not gently. If it starts to move, then you can continue gently.
Check that all 4 ends of the tool fully cover the headset cup. Bend them more if not.
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Old 03-03-08, 09:42 AM   #18
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Yeah, I had at mine with a heavy screwdriver, making as sure as I could that I wasn't marring the insides of the head tube. That said, I was hitting it really hard with a heavy wooden mallet.

The pipe thing is too cool to not try next time. It looks to me like a job for conduit.
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