FCFB FW blue white stem cycling Aluminum Package Carbon Road stem Mountain Bicycle glossy Stem Bike Stem angle 6 31.8*60/70/80/90/100/110/120mm 60mm 118g Material :Aluminum Package Carbon weight 118g angle 6 60mm angle 6 60/70/80/90/100/110/120mm fork diameter:28.6mm handlebar diameter :31.8mm