hey guys!im riding an adamant a1 at the moment with an echo hi-fi low stem(130mm x 15' rise) but ive bought an system ex stem from tarty(120mm x 30' rise).i do mainly natty but if i change to the higher rise stem i know that it will make my bike more flickable.has anyone done this and how did it change you riding,better or worse?what move get made worse..sidehops,hooks,taps etc and how long did it take to used to it? any advise would be spot on! craig