Originally Posted by
Jake S
ok... got my jconcepts rack... my b4.2 and sc10.2 feel as tight as a rb6
30deg factory team 2hole caster blocks
4mm aluminum washers behind caster block (not plastic spacer)
jconcepts rib/wedge ballcups
jconcepts carbon fiber rack (insanely smooth & tight)
I also put 4mm behind the hubs and its sloppy as hell. Are you using carbon arms? Because my slop is in the arms. I broke an arm, replaced it and it was tight like a virgin.