iv been riding for a while and everythings all good. know my bike well and all that. had to stop for a few months coz i was workin so much i just didnt have time to ride. now im riding again but i just cant seem to get my ass end up when im jumping up curbs!!!!!! front wheel comes up with loads of clearence but the rear wheel wont follow suit!!! what the F**K?!?!?!?!?! any sugestions?????