RADBMX.CO.UK
Technical & Reference Section => Tech and Restoration => Topic started by: Monk_Wally_Honk on January 26, 2015, 03:38 PM
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Bike I'm putting together at the moment is giving me a bit of an issue in the headset department. Initially got the F&F delivered from the states and the headset was included (an '85 freestyle bike). As i've been collecting bits and sticking them on I'd noticed the headset had a lot of wobble. It was something I thought I'd tackle at the end and now I'm nearly there I took it apart to find only one set of bearings (none above the crown race).
I thought it would be a simple fix to change the headset so ordered one from Alans. New one in and I'm still having the same issue. It either wobbles back and forth or is so tight the bars won't turn.
Hopefully it's something obvious and I'm being a donut. Any ideas?
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Daft question but your are putting a bearing race top and bottom of the head tube aren't you?
Pic would be usefull :daumenhoch:
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Here it is in situ (note the top race sitting skewed)
(http://i.imgur.com/hlrBgUz.jpg)
Here's the bits I can get off and on....
(http://i.imgur.com/qDbT9rp.jpg)
Theres also the bearing cups top and bottom of the head tube and I'm using the original crown race on the forks, Could this be the issue or am I missing something else?
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Is that the complete new headset from Alans? the cups look too big for the bearing race or visa versa ???
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The top end is exactly as bought, the bottom end is using the original bikes crown race.
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hmmm it looks if you centred the fork steerer the knurled edge to the race would be smaller in diameter that the cup which i cant recall seeing before. The race is usually fractionally larger like this
(http://bmxmuseum.com/forsale/8144531071_blowup.jpg)
got a link to the headset you bought?
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....also is your bearing race upside down, just noticed the slope?
Think that might be the issue actually ;)
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probably mismatching parts.
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got a link to the headset you bought?
It's this one... a cheapo VP
http://www.alansbmx.com/1624988/products/vp_1_inch_threaded_bmx_headset_chrome.aspx (http://www.alansbmx.com/1624988/products/vp_1_inch_threaded_bmx_headset_chrome.aspx)
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....also is your bearing race upside down, just noticed the slope?
Think that might be the issue actually ;)
Could be - I'll give it a go.
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Picture looks like the head set cups are fitted outside the frame rather than in it??
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....also is your bearing race upside down, just noticed the slope?
Think that might be the issue actually ;)
Could be - I'll give it a go.
Yes they are, told you. Donut.
Let the piss takery commence... ;D ;D
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Picture looks like the head set cups are fitted outside the frame rather than in it??
The top and bottom of the head tube has a ridge. Don't ask me why.
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:LolLolLolLol:
Im sure you are not the first ;)
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Just the first to let the world know.
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:LolLolLolLol: Classic. I fitted my BB back to front and spent two days wondering why nothing lined up........ move along now.....
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Just noticed this myself. :daumenhoch:
....also is your bearing race upside down, just noticed the slope?
Think that might be the issue actually ;)
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:loser:
them headstes are 6.99 free post on ebay to.
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That's it, keep rubbing it in.
Bast ards.
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why is the bottom cup not in the headtube :-\
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:LolLolLolLol:
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what's a Loop tail? ???
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why is the bottom cup not in the headtube :-\
It is.
Here's a shot of the same frame in white from the museum....
(http://i.imgur.com/thoadig.jpg)
The top and bottom of the headtube has a lip for some reason, the bottom cup is inside the headtube in my picture but you can see the lip which looks like it is part of the cup.
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what's a Loop tail? ???
I'm watching you.
It's a move the red arrows do, yes?
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;D
Those 'lips' are for strengthening the headtube - stops headtube flair (when the front of the bike takes an impact the cups smack the inside of the headtube and cause it to widen).
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It doesn't look wrong when the frame is painted, but when it's chrome and the headset is also chrome it looks like it's all the same part.
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It's a mid school thing. :slayer:
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what's a Loop tail? ???
It's not far off Rob :LolLolLolLol:
I'd be hitting the 'delete thread' button if it was me :D
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The way of the coward!
Where's the delete thread button?
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:LolLolLolLol:
Good lad :daumenhoch:
At the end of the day mate that's what these forums are for , you put up a question as you were struggling .... you got an answer and your sorted now so all's good in my eyes ....... I just won't be asking you to do repairs on my F16 fighter jet :D
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why is the bottom cup not in the headtube :-\
It is.
Here's a shot of the same frame in white from the museum....
(http://i.imgur.com/thoadig.jpg)
The top and bottom of the headtube has a lip for some reason, the bottom cup is inside the headtube in my picture but you can see the lip which looks like it is part of the cup.
they're just reinforcing rings for the headtube to stop it splitting.
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mind the flange !