BSD's Levelled Stem is their mid rise offering, keeping the height at 27mm the same as their old race stem so it's the perfect middle ground. It's made from 6061-T6 aluminium that's both strong & durable with solid bolts throughout keeping the stem, your bars, & fork secured & working as one. section Product Specs TYPE: Top Load REACH: 50mm RISE: 27mm CLAMPING DIAMETER: 22.2mm WEIGHT: 320g (11.32oz)