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PostPosted: Thu Aug 25, 2016 9:23 pm 
Retro Guru

Joined: Fri Nov 16, 2012 7:08 pm
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Location: I know where the stash is – the secret's safe with me. The flying squad will never find us...
After 23 rock solid bombproof years, it's time to sort out the bearings (or get a new headset) – the headset keeps loosening up and then the forks wobble a bit under braking. Does anyone know if or where you can get replacement cartridge bearings for Shimano Deore XT HP-M740 1" threaded headsets?

Thanks, Groovy


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PostPosted: Fri Aug 26, 2016 9:10 am 
Devout Dirtbag
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Joined: Thu Apr 02, 2015 9:18 am
Posts: 125
Location: Sheffield
If it is a cartridge bearing unit, it should have a serial number printed on the side. This refers to it's size - external diameter, internal diameter, thickness, etc. Your local industrial bearings supplier will then be able to supply you with a new set. I only know this because I recently had to do the same with a set of Suntour hubs.

Hope this helps!


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PostPosted: Fri Aug 26, 2016 9:45 am 
Retro Guru

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Location: I know where the stash is – the secret's safe with me. The flying squad will never find us...
Thanks. I'm stripping the whole bike down for regular clean and maintenance this weekend and will have a look at the cartridges...


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PostPosted: Fri Aug 26, 2016 10:09 am 
retrobike rider
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Joined: Fri Aug 08, 2008 2:36 pm
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Location: Yorkshire, England
jazzibizznizz wrote:
If it is a cartridge bearing unit, it should have a serial number printed on the side. This refers to it's size - external diameter, internal diameter, thickness, etc. Your local industrial bearings supplier will then be able to supply you with a new set. I only know this because I recently had to do the same with a set of Suntour hubs.

Hope this helps!


No these are metal encased ball bearings and bearing races. They are not your typical cartridge bearing. Never seen any numbers on them.
Edit to add
http://www.bikepro.com/products/headset ... _hset.html
And an STX one too.


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PostPosted: Fri Aug 26, 2016 10:21 am 
Retro Guru

Joined: Wed Mar 13, 2013 9:35 pm
Posts: 608
The Cartridge bearing sizes are detailed in the Shimano Tech sheet as posted☺


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PostPosted: Fri Aug 26, 2016 10:58 am 
Retro Guru

Joined: Fri Nov 16, 2012 7:08 pm
Posts: 1854
Location: I know where the stash is – the secret's safe with me. The flying squad will never find us...
yep, like this one...


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PostPosted: Fri Aug 26, 2016 11:08 am 
Retro Guru

Joined: Wed Mar 13, 2013 9:35 pm
Posts: 608
http://bicikli.de/shop/SHIMANO-spare-pa ... -Y78798030


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