RISERS STRAIGHT 5.5" Black. These risers are forged from 6061-T6 aluminum for superior strength. CNC-machined for precision fit on handlebars with a 1" diameter clamping area. Designed to fit applications with 31/2?" on-center mounts and will accept most OEM-style top clamps with offset mount holes. Available in chrome or black finish. Sold in pairs. RISERS STRAIGHT 5.5" Black. These risers are forged from 6061-T6 aluminum for superior strength. Drilled and tapped for 1/2"-13 riser bolts (bolts sold separately).. CNC-machined for precision fit on handlebars with a 1" diameter clamping area. Designed to fit applications with 31/2?" on-center mounts and will accept most OEM-style top clamps with offset mount holes. Available in chrome or black finish. Sold in pairs. - Part Number - 0602-0405