THETA ZÉNITH // UD Carbon Fiber Seat Post

THETA ZÉNITH Carbon Seatpost represents the pinnacle of lightweight performance and refined engineering. Constructed from high-modulus uni-directional carbon fiber using an optimized monocoque layup, the ZÉNITH delivers an exceptional stiffness-to-weight ratio while maintaining a carefully tuned balance of rigidity and vibration damping.

Designed for discerning riders who demand precise fit, secure saddle positioning, and long-ride comfort without excess weight, the ZÉNITH integrates seamlessly into high-performance road, gravel, and endurance builds. Its minimalist profile, premium finishes, and meticulous attention to detail make it the perfect complement to premium frames — whether paired with titanium or carbon chassis.

Technical Highlights

• Material: High-modulus uni-directional carbon fiber (monocoque construction)
• Clamp Style: Single-bolt micro-adjust saddle clamp
• Diameters: 27.2mm, 31.6mm
• Lengths: 350mm, 400mm
• Offset: 5mm
• Saddle Rail Compatibility: Standard 7x7mm and oval carbon rails
• Finish: Matte UD carbon with subtle branding
• Weight: Approximately 170–210g (depending on configuration)
• Airborne Fitment:
  27.2mm:  Zeppelin, Valor,
  27.2mm (w/Included Shim): Endeavor, Marauder, Arsenal 7
  31.6mm:  Endeavor, Arsenal 7