The monolithic Aluminium 3D forged seatpost is reinforced with unidirectional Carbon fibre and has an innovative single screw clamping system which acts simultaneously on the 4 elements of the clamp.The two upper clamps are equipped with a snap-closure system that minimises the pressure on the saddle rails. Guaranteeing secure closure with a minimum torque.Diameter: 31.6mm / 27.2mm,Material: 3D Forged Aluminium 7050 reinforced with Carbon fibre HM,Material: Clamp forged in Aluminium 6061 T6,Finishing: Clear coated Carbon fibre,Length: 350mm,Offset: 15mm,Weight: 250g.Suitable for standard 7mm round railed saddles