I know this is a very long shot and apologies for the vague question. Would anybody know what headset is to be used with that bicycle? Looks like 41mm outer and 30.2 inner fit. But what height? The bike was brought without anything. Thank you very kindly.
Moving this to Tech > Tech Help, where all the tech folks are. @Nico_Ws, not sure if you’ve seen the article over at the old place, but it might provide some guidance, or at least get you down the right path (since the article assumes you already have bearings in hand).
Measuring sealed headset bearing sizes
If you’re able to make out the serial number on the bike (usually under the bottom bracket area, or around it), you might want to have a go at contacting Orbea through this form here;
Good luck!
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Such a very very very very very useful reply. Thank you so very much. I am truly grateful for your help.
Not at all! Hope you get that sorted out…