Eclat are firm believers in the simplicity of BMX parts & that is why they never go overboard when it comes to design. p> The Dune stem is a top loader & one of the slickest & most aesthetically pleasing in their colleciton. Its 6061-T6 alloy is cold forged with a CNC finish. This sturdy unit features a taller 31mm rise & a wide clamping area that holds your bars extra tight. section Product Specs TYPE: Top Load REACH: 50mm RISE: 31mm CLAMPING DIAMETER: 22.2mm WEIGHT: 354g (12.52oz)