Headset Ball Bearing Size?

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Svendo

Guru
Location
Walsden
I need some new ball bearings for my integrated headset, with servicable cartridge bearings. I've tried measuring them, even with ten lined up, it's hard to tell if they're 3mm diameter or 3.18 (1/8") and a bit worn.
Any help appreciated.
I want to get some as the bearing races are a bit brinneled, and by packing them with loose balls rather than the retained ones, Sheldon reckons I can get more life out of the headset.
 
OP
OP
Svendo

Svendo

Guru
Location
Walsden
Right in the absence of a reply from a wizened cycle fettling veteran, I've had a punt on some 1/8 inch bearings from ebay. Couple of pounds for 72 so no great loss if wrong size.
 
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