Headset finder... so confusing.

[ohhyeok90]

I ride scott addict 2015 and about to replace headset.

cane creek headset finder says IS41/28.6 & IS47/33.

but, I checked my current headset which is Ritchey's and it is 41/30.15(45x45) & 46/34.1(45x45).

This is my first time heard of IS46.

There are two brands making it. Ritchey and Syncros.

Syncros which is inhouse component brand of Scott says IS41/28.6 & IS46/34 is standard for addict.
http://www.syncros.com/ca/en/products/2 ... 34-Headset

Yes, just syncros's is fine.
But I am curious about the famous cane creek 110 series!

is there anyone know about this? Thank you.