Our proven twin-bolt seatpost design refined for the modern bikes with seatpost battery integration capabilities via included battery retention plug. By optimizing the design of our patented seatpost for road bikes we are able to create a seatpost that is lighter weight, and more comfortable for riding on unsuspended bicycles. FEATURES: Includes 7mm and 7x9mm upper rail clamp plates SPECS: Material: Carbon Fiber Hardware Material: Titanium Length: 300 mm Diameter: 27.2 mm Offset: 0 mm Saddle Angle Adjustment: 0–27° Saddle Rail Compatibility: 7 × 9 mm carbon rails 7 mm round alloy rails Torque Spec – Saddle Rail Clamp Bolts: 5.5 Nm Torque Spec – Seatpost Collar: As specified by frame manufacturer / seatpost collar Weight: 168g