Mechanics at a repair place told me that my bike needs a new headset. For the moment, I have a semi-integrated / zero-stack Cane Creek VP-A45AC. I went afterwards directly to a bike shop asking for a new headset, and they sold me an external Massi headset. I am no expert in headsets, and I don't know if 1) the shop sold me this external headset because it's interchangeable with a semi-integrated one 2) they made a mistake and I need to go back.
I didn't find much on external / semi-integrated headsets compatibility, does someone now if I can use this external one on my bike (provided the dimensions are correct, which seems to be the case) ? Thanks.