The Salt Center Top Load Stem is an affordably priced top load stem style with features to keep your bars locked down. Built from 6061-T6 aluminium for strength & durability with machined cuts & central bore to really reduce the weight. The Center Stem boasts Shark Tooth Clamping inside the top cap make sure your bars stay locked down. section Product Specs TYPE: Top Load REACH: 50mm RISE: 28mm CLAMPING DIAMETER: 22.2mm WEIGHT: 339.9g (11.99oz)