Pro Vibe Stem is a no compromise OS triangular design for optimal stiffness to weight ratio. •Carbon - Al-7050 T6 construction with Titanium bolts •Extensions: 80-140mm •Angle: -10° •Diameter handlebar clamp: 31.8mm •Suitable for 1" and 1-1/8" forks •Colour: Carbon •Weight: 115g (120mm)