Go with smaller less brutal tires. Fine some lighter, more XC/all mountain bars and stem. Find a more All mountain crankset, something truvative. Take your fork, sell it and by a comp. fork or rigid fork thats moe all-mountain/trail bread. And sell your rims and buy some singletracks. And if you really wana shave the pounds, get rid of your seat, Shave your legs and wear spandex