it all depends what your into ive had 3 marins an east peak, alpine trail and the mount vision and snaped all 3 frames when raceing. then i got a sun cant remember what type but was a good bike they dont make them any more.
then i got my pace frame and bilt it up i put mavic d521 dh pro drims with dt spokes and hope biguns hubs with panracer dh pro tyers, tripple tryangle bars, raceface stem and racerace 3 pice crank with dmr v12 peddles. had hope 4 pot brakes with lightning disks, bommer z1 dropoff forks then i had a derailer of a racer it was very small i think it was a shimino 9236 or somt