Hi there..I have a Globe Centrum comp 2008.And i'm trying to convert my 26" to 650b.Is it ok?It still has a plenty of room for the 650b.But what is the cons if i do the change..Thank you guys..
I had upgrade some parts

Shimano Alfine 45T
Halflink chains
Shimano Alfine front dynamo hub
Shimano XTR rotor
Shimano Alfine Brakes
Spanninga Kendo dynamo lamp