sounds like you after something similar to my evil. ive built it with coil u-turn lyriks, saint brakes, cranks, mech, xtr cassette, stans flow rims on pro2 hubs with a pair of ardents for genereal use and a pair of dual ply big bettys for more rocky stuff. wide bar, short stem, single ring and e13 lg1, burgtec pedals etc…
clicky linky
it could be lighter but i wanted something i didnt have to be gentle with. the downside is ill be overbiked sometimes but, like the bfe, its actually got pretty sensible geometry with the fork wound down a touch.
have fun, those bfe's look reet nice!