ZOOM Aluminum Alloy Handle Bar Stem - TWIN BOLT - Black, Gooseneck, 22.2mm, for Beach Cruiser Bikes, BMX Bikes, Comfort Bikes TWIN-BOLT DESIGN FOR EASY INSTALLATION. YOU DON'T NEED TO REMOVE THE SHIFTER OR GRIP IN ORDER TO INSTALL THE HANDLE BAR. MATERIAL: LIGHT WEIGHT & ANTI-RUST ALUMINUM ALLOY. FOR 1" (25.4mm) HANDLEBARS. STEM DIAMETER: 7/8" (22.2mm). ALSO AVAILABLE IN SILVER. PLEASE SEARCH ASIN NUMBER "B00ATT6TSO".