• I have a 2015 Specialized Allez and the lower headset bearing (a cage and balls) shattered last week. I've dropped Specialized an email and they say that they can order a new one in to any store for £50, which seems like a huge amount to me.

    Is there anywhere I can get them cheaper? Nowhere can I find any specs at all. That @hippy fella thinks I should just throw loose ball bearings in there, which makes sense - but where do I source new ones the right size?

    This is the frame in question. Any help much appreciated.

  • where do I source new ones the right size?

    From a bearing shop. If the bearings are as you describe, separate cone, cup and caged balls, and the races are in good condition, take your balls to a bearing shop and get them to measure and match them. ⅛" and 5/32" are the most common sizes for headsets, but there are some metric ones out there and you don't want to get caught out by guessing or even measuring with a cheap digital caliper, you want a decent micrometer to tell the difference between 4.00mm and 5/32" or 3.225mm and ⅛"

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