Kore torsion race riser handlebaras used by world champions such as jill kintner our torsion bars are race proven internally butted and tapered 6061 t6 heat treated aluminium with our trusty and comfortable geometry 800mm width is a must for many of todays gravity riders but cut them to suit your specific needs tattoo sleeve artwork and a bunch of colours and finishes ensure we have a torsion bar to match your style featuresal6061 t6 double butted318 bar clamp diameter5 degree upsweep 7 de