Go Back  Bike Forums > Bike Forums > Bicycle Mechanics
Reload this Page >

2005 Giant Headset Stuck

Notices
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.

2005 Giant Headset Stuck

Old 11-02-21, 10:14 PM
  #1  
masonv45
Junior Member
Thread Starter
 
Join Date: Nov 2014
Location: Arlington, TN
Posts: 129

Bikes: 2005 Giant OCRc2, 2016 GT Aggressor Expert

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 41 Post(s)
Liked 54 Times in 29 Posts
2005 Giant Headset Stuck

I've got a 2005 Giant OCR 1 and can't get the headset loose to get the fork out so I can repack the bearings.

I've let it set with penetrating oil for a day. Large smacks from a mallet have no affect.

See attached pics...
Any suggestions?

The notch in the race (?) looks like it should be rotated with a punch/hammer - but no success so far.


masonv45 is offline  
Old 11-02-21, 10:21 PM
  #2  
Andrew R Stewart 
Senior Member
 
Andrew R Stewart's Avatar
 
Join Date: Feb 2012
Location: Rochester, NY
Posts: 16,789

Bikes: Stewart S&S coupled sport tourer, Stewart Sunday light, Stewart Commuting, Stewart Touring, Co Motion Tandem, Stewart 3-Spd, Stewart Track, Fuji Finest, Mongoose Tomac ATB, GT Bravado ATB, JCP Folder, Srewart 650B ATB

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3654 Post(s)
Liked 2,610 Times in 1,635 Posts
With the rust seen at the compression ring (that round thing that you say has a notch) I am not surprised that it's bonded to the steerer. The compression ring has no threads so no need to rotate it like a lock ring. But it does need to be broken loose from the steerer just the same. We usually try a prying action with a pointed tool lifting one end of the ring (at that notch) to start the removal. Have you looked at a "exploded diagram" of your headset system or sought out vids? Andy
__________________
AndrewRStewart
Andrew R Stewart is offline  
Likes For Andrew R Stewart:
Old 11-03-21, 04:57 AM
  #3  
TiHabanero
Senior Member
 
Join Date: Nov 2012
Posts: 3,907
Mentioned: 14 Post(s)
Tagged: 0 Thread(s)
Quoted: 1476 Post(s)
Liked 944 Times in 496 Posts
Had this issue with a Specialized Roubaix this past season. Took a heavy whack with a plastic mallet to break it free. Steerer was carbon, too and should not have frozen like it did, but it did anyway.
TiHabanero is offline  
Old 11-03-21, 10:41 AM
  #4  
Andrew R Stewart 
Senior Member
 
Andrew R Stewart's Avatar
 
Join Date: Feb 2012
Location: Rochester, NY
Posts: 16,789

Bikes: Stewart S&S coupled sport tourer, Stewart Sunday light, Stewart Commuting, Stewart Touring, Co Motion Tandem, Stewart 3-Spd, Stewart Track, Fuji Finest, Mongoose Tomac ATB, GT Bravado ATB, JCP Folder, Srewart 650B ATB

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3654 Post(s)
Liked 2,610 Times in 1,635 Posts
Both carbon fiber and Al will react and/or corrode with the compression ring. Carbon and Al are a battery looking for a conductive liquid to make for a "better" connection through which to trade electrons. Salt water is a good and readily available liquid. And Al just oxidizes, becoming a larger part over time. Add steel to the Al and again galvanic stuff starts up.

I suspect you'll find other parts of the headset to show corrosion. Andy
__________________
AndrewRStewart
Andrew R Stewart is offline  
Likes For Andrew R Stewart:
Old 11-07-21, 10:44 PM
  #5  
masonv45
Junior Member
Thread Starter
 
Join Date: Nov 2014
Location: Arlington, TN
Posts: 129

Bikes: 2005 Giant OCRc2, 2016 GT Aggressor Expert

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 41 Post(s)
Liked 54 Times in 29 Posts
Finally got the head set out. It wasn't easy.
Going to order new bearings and grind off the part of the compression ring I damaged.

masonv45 is offline  
Old 11-08-21, 05:19 AM
  #6  
jimc101
Senior Member
 
Join Date: Oct 2007
Location: West Yorkshire, United Kingdom
Posts: 5,730
Mentioned: 5 Post(s)
Tagged: 0 Thread(s)
Quoted: 430 Post(s)
Liked 77 Times in 67 Posts
Originally Posted by masonv45 View Post
Finally got the head set out. It wasn't easy.
Going to order new bearings and grind off the part of the compression ring I damaged.
Would check the price of a complete headset vs just the bearing, as often there isn't too much in-between them.
jimc101 is offline  
Old 11-08-21, 08:46 AM
  #7  
masonv45
Junior Member
Thread Starter
 
Join Date: Nov 2014
Location: Arlington, TN
Posts: 129

Bikes: 2005 Giant OCRc2, 2016 GT Aggressor Expert

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 41 Post(s)
Liked 54 Times in 29 Posts
Originally Posted by jimc101 View Post
Would check the price of a complete headset vs just the bearing, as often there isn't too much in-between them.
Complete headset is not available in the US - only the UK.
https://www.velozone.co.uk/products/...1-0-mm-headset
About $108 plus shipping. (And it doesn't look like the current one I've got).

Bearings are only $35 and available here in the US.

Would you recommend getting the full headset (dissimilar appearance worries me) or just the bearings. I'm a part time motorcycle mechanic so rebuilding it is not an issue.

Everything appears to be reusable except for #4 "Microspacer". It's just a paper thin washer. I may try McMaster Carr or something to try and replace it.
masonv45 is offline  

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell My Personal Information -

Copyright © 2022 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.