Using extruded aluminum billet technology, Rant has produced a high-performance stem at an extremely affordable priceNot your usual price point stem, the Trill offers pro geometry, with oversized bolts, modern geometry with cnc finished details and engraved logos27mm stack height with a 5.5mm rise BMX Threadless1-1/8`4822.20°BlackAL6061-T6UPC/EAN/GTIN: 810006214543