Finding and replacing headset

[Deleted member 41544]

Good evening, I'm trying to find a new headset to replace on my giant ocr, from what I can gather and assuming I've got this right it looks to be a sealed cartridge that is semi integrated, it is a threaded fork with a 1 inch steerer. Does anyone know waht other info I would need or better still know which headset I require?
this is the said bike

Work in progress

• Deleted member 41544
• 16 Feb 2016
• giant selle italia

 

[fossyant]

If you can get the cartridge bearings out, there are often numbers printed on them that can give you a clue.

The other option is google but you'll need to know the year of the bike.

I've googled a few and some do indeed look like standard 1" headsets. Is your's on an adapter as that's an aheadset stem ?

Can you get some closer pictures of the headset.

 

[raleighnut]

That doesn't look like a threaded steerer to me (a threaded steerer would use a 'Quill' stem) unless there is a converter in there)

 

[Deleted member 41544]

Yeah its got an adapter to change to the aheadset stem which makes me think the bike could be from around 2000??
I took the bottom bearing out earlier today and it was well past needing replacing really worn and rusty, but I didn't see any numbers, the top bearing actually looks ok, so might be able to get more from that, will have another look tomorrow, and get some closer photos.

 

[fossyant]

Looks like it's a 2000 and indeed a semi integrated one. Now, it still looks as though the bearings are bigger than 1", as there is a big top cap/upper race below the stem.

 

[fossyant]

There are quite a few variations of the bike. If you aren't riding it everyday, some good pictures would help !

 

[Deleted member 41544]

Your probably right, i always assumed the steerer was 1 inch because the adapter has a shim to be able fit a 1 1/8" stem

 

[Deleted member 41544]

so on closer inspection and measuring (with a ruler) it is a 1 inch steerer, it is semi integrated. The headtube internal is 41mm and external 45mm. should this be enough to order the headset? or source the bearings at the very least

 

[Tenacious Sloth]

The Cane Creek headset identifier may help...

http://www.canecreek.com/headset-fit-finder

Graham