After Hours Choppers Brass Flat Track Risers. You may order your riser caps custom hand engraved for an additional $130.00 per set. Contact Steve at lrchoppers@yahoo.com for the lettering, numbers, or design you desire. Refer to the Metal Tattooing page at LILLIANROSECHOPPERS.COM to view artwork. Please allow up to 2 weeks for engraving orders. Made in the USA.