the holy rollers are wicked, very fast, very gripy tyres but don't really do low presures so pinch flats are iffy, just use 2.35highrollers if you don't mind the nobbles! my mate uses a level boss1065 and i nicked it four like 3months using ZOO bars and 120mm/17deg onza stem and it felt nice. i'm bout6foot1 and the stem felt good but could of done with maybe 90mm same rise on the stem and some 2inch riser bars though... hope this helps