Product name:UPANBIKE Aluminum Short Bike Stem 31.8mm*28.6mm*45mm B125 Material:Aluminum Alloy For Handlebar clamp diameter:31.8mm Stem length(center to center):45mm Fit Steerer Tube Diameter:28.6mm (1-1/8in) Color:Black;Silver;Blue;Red;Golden Weight:About 120g Type:Stem Use:all types of bikes,road bike,mountain bike
