Headset bearing cha...
 

Headset bearing chamfer angles

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When bearing says 36°x45°, does that refer to outer x inner chamfer angles or inner x outer?

FSA orbit ITA 


 
Posted : 21/08/2025 6:12 am
 Yak
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Inner / Outer 


 
Posted : 21/08/2025 6:18 am
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That's great, thanks 👍 


 
Posted : 21/08/2025 6:45 am
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FSA usually provide a full drawing that helps with that type of query, part numbers, etc. https://shop.fullspeedahead.com/en/files/index/download/id/b7017ecea30ebfb7392bd7377c64bb7b90/


 
Posted : 21/08/2025 8:20 am
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Just be wary as although these are the angles some brands have a lip inside so are very specific. From memory perhaps Specialized?


 
Posted : 21/08/2025 8:32 am