Just changing over my forks and giving the headset a once over and noticed that a few of the bearings have broken up in the bottom race. Strange thing is the steering was only a bit rough!
I'm looking for replacement bearings but can't seem to find any retailers for them. Anyone know where I could find these in the next few days...?
I think once the bearings have gone in a CK, it's new headset time.
I'll give chrisking.co.uk a call in the morning and see what they say. Seems crazy the bearings aren't replaceable, 10 year warranty or not.
I've removed the retaining ring and fished out the loose balls from the race - if I can get replacement ones it should all fit together again perfectly...
Chris King component in "FAIL" shocker 
Shoulda bought FSA 
Seriously...likely to be imperial. Get your micrometer screw gauge out.
They make their own bearings, so I'd not be surprised if they're a bit odd. Aspire Velotech didn't used to be too pricey.
You do realise chrisking.co.uk. aren't the distributors/authorised service centre? Try evolution/bromley bike co.
Rather odd that the only CK part NOT listed on the Aspire VeloTech website is replacement headset bearings . . . . 
They used to be, that is odd! Evolution will be of no use whatsoever I'll wager! CK in the US are probably a better shout!
d45yth: yes, but I need the bearings for a big ride this Friday!
Tony: that's what I thought. No bearing is indestructable, not in a £100 headset anyway. And I'm loathe to return the whole lot for a service as its in a light steel frame and I don't want to deform the headtube with unnecessary removal.
As far as I know they have a 10 year warranty, email CK in the US directly and see what they say.
I've never seen CK replacement headset bearings available on Aspire or anywhere else.
Bromley Bike Company.
When I wanted a spare crown race was with me in about 48hrs and I think they are (or were at some point) the same business as/linked with the importer.
They share a premesis (or certainly did, not sure if they still do), but they're not actually the same business. Much like Stif/Jungle back in the day. Obviously Bromley have excellent stock, as they can wander upstairs to get any CK parts they need, but they're not the same.
Like I say though - Evolution often aren't that helpful, if you don't get the answer you want, try CK direct.
The bearings are a perfect 0.125" imperial size. Simplybearings have them cheap so I'll give them a go.
Yer head tube should be fine. let us know how it goes.
Got the bearings fitted and headset back together perfectly. Well, nearly, the seal and retaining ring is a royal pain in the ass to get in. Looks like a cheap fix though.
they will sort it for you if you ask nicely
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