you need a threadless headset, threadless fork and some type of compression like scs, ics or hic. for scs you can use 1 1/4 and 1 3/8 bars with no slits. ics 1 1/4 bars with slit. hic 1 3/8 bars with slits. put a starnut in the fork, slide it up in the headtube tighten your compression put your bars on and your ready to go.