(Quick I promise) Pressfit BB question

afcbian Posts: 424
edited August 2014 in Workshop
I have a carbon frame with a Shimano PF 86.5 BB fitted.
I am yet to decide what groupset to fit but most likely looking to fit SRAM Rival 20 or 22 speed
Am I right in saying I will need to change the BB due to incompatibility to a SRAM GXP pressfit 86.5 ?

I have searched the forum but am beginning to get brain ache

I ride therefore I am