As long as the main portion of the sidecut is less than 8.0 your 10.5's will fit just fine. The Agent Rocker has been the staple all mountain freestyle deck from Rome for a very long time now. Its a well done board and if you're looking for something comparable to the Custom it matches very well.
Go ahead, drink that kool-aid.
FS: Forum Sauce 142 $200 plus shipping
FS: Flux SE30 $75 plus shipping