I GOT A GUY WHO CAN GET ME THE 72MM CUBS FOR A 4MIL AND THE CRANK FOR ABOUT 1700 INCLUDING PISTONS. I WAS WONDERING WITH MY MODS WHAT ELSE WILL I NEED? IS IT WORTH IT TO BUY THE 72MM OVER THE 68MM ? WHAT WILL MY DISPLACEMENT BE? IM TRYING TO FIGURE A TOTAL OVER ALL COST...OH YEAH I MOSTLY RIDE 4 AND 5 GEAR TRAILS I JUS NEED A PARTS/PRICE BEAK DOWN AND PROS CONS I GOTTA GO TO WORK WONT BE ABLE TO REPLY TIL AROUND 4 MOUNTAIN TIME