Material: HM carbon-fiber(Toray T700/T800):100%

Diameter：27.2, 30.8, 31.6

Offset：20mm

Length：350mm/400mm

Saddle Rail Compatibility：7x9mm，7x10mm Carbon Rails, 7mm Round Alloy Rails

Torque Spec：Saddle Rail Clamp Bolts6Nm

Torque Spec：Seatpost Collar Determined by your Frame manufacture/Seatpost Collar（Recommended locking torque ≤ 5.1NM