Deity Copperhead Stem. Features: Even lighter than the Cavity stem Machined from 6061 T6 aluminum Short 30mm stack height and 55mm wide faceplate for increased stiffness with wide handlebars Features reverse cross bolt system for increased clamping power, tapered body for cleaner lines and weight reduction, multiple internal and external machining processes to reduce every gram possible, rounded edges throughout Pro installation tip: always run the steerer tube all of the way through the stem with a small spacer on top Specs: Steerer Dia:1-1/8" Bar Dia:31.8mm Rise:0 deg Length:50mm Color:blue