FCFB Grey Aluminum 3K Carbon Package Mountain Road Bike stem Angle 6 60/70/80/90/100/110/120mm FCFB Aluminum carbon package road bike mountain bike stem cycling parts angle 6 size 60/70/80/90/100/110/120mm Bar Clamp Diameter 31.8mm 4-Bolt Faceplate,Steerer(fork) Diameter1-1/8" (28.6mm) weight :110-140g(100mm 136g)