This is the 3rd generation of crisp39s super sonic bars and they just keep getting better and betterbar width height 610mm 24inch 680mm 268inchbar external diameter 349mminternal diameter 318mmbar material 4130 ht chromolyoversized diameter handlebar with no slit suitable for scs with any oversized scs clamp or hic if a slit is cut into the bardegrees of backsweep 3weight 143kg 32lbs