elitaone Carbon Seat post Setback5/20mm 25.4/27.2/30.9/31.6 MTB/Road Bike Seatpost Ultralight 150g Carbon fiber half shell

Clamp diameter：Ø 25.4-27,2-30.9-31.6mmSetback：5/20mmClamp diameter：Ø 7 mm or 7x9 mm oval(carbonhalf-shells for both included)Lenghts：350 mm or 400 mmMinimum Insert：100 mmMaterial：CarbonFinish: MatteScrews: TitaniumSeatpost maximum locking torque：5.5nmSaddle clamp tightening torque:8-12NMMax. Permissible Weight: 120 kg (265 lb)Carbon Half ShellInstallationTo install a Ø 7mm round rail saddle: first install the Carbon Half Shell 7X7, then install theCarbon Half Shell BASETo install a Ø 7x9mm oval carbon rail saddle: first install the Carbon Half Shell 7X9, theninstall the Carbon Half Shell BASEInstallationInstructions1.Seat TubeTightening TorqueFor metal bicycle frames, tighten to 4NmFor carbon fiber frames, tighten to 4.5NmMaximum locking torque: 5.5Nm2. Saddle clamp tightening torqueRecommended tightening to 8-12Nm3.Installation WarningsEnsure that the clamp opening is offset from the frame opening duringinstallation to avoid concentrated stress that may cause the seat post tocrack.(NOTICE:For openings at both front and rear, the seat post clamp should beoffset to the side.)Suggestion: Insert the seat post into the frame 10 cm.