Aluminum Alloy Fixed 25.4mm Cycling Mountain Bike Short Handlebar Stem Riser BMX Material: 6061 Aluminum alloy Handlebar diameter: 25.4mm Front fork diameter: 28.6mm(1-1/8") Length: 38mm (center distance of the two holes) Package Content: 1 x Bicycle Short Handle Stem ship itemchina 7-10 days will arrive