New United stem for 2014 is the Supreme stem which is forged & machined from 6061 aluminum to keep costs low & features embossed United Logo on face plate, Recessed top face plate to run Dinero & Supreme top caps for a clean & smooth look. section Product Specs TYPE: Top Load REACH: 52mm RISE: 31.8mm CLAMPING DIAMETER: 22.2mm WEIGHT: 302g