SOME bmx bikes are heavy. freestyle type bikes are. but they make some (actually most) of the racing bikes out of aluminum now. some companies (like HH actually use reynolds sometimes). i think the smaller fuji sounds really great. i'd actually like to get one of the smaller fujis to thrash around on, but that'd be a little silly. terry makes a 24" road bike. i've even seen custom marinoni road frames that take 20" wheels and smaller. one of my friends said he saw a 20" merlin road bike at some guy's shop down in the cape once...he had it built for his daughter. some people just have too much money to burn.