GANNA AEROFIN Seatpost

$279.00

  • COMING SOON! 
  • Aero Design: Ultra-slim 13mm profile to minimize drag.
  • Built-in Flex: Micro-offset shape allows for subtle longitudinal flex and comfort.
  • Premium Parts: Equipped with a full-carbon saddle clamp and lightweight titanium bolts.
  • Excellent Finish: A precision laser-fused finish highlights the natural variations of the carbon fiber weave.
  • Stable Fit: Innovative sliding wedge block to increase contact surface and stability.
  • 2-Year Warranty: Includes a 2-year warranty against defects.

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Description

GANNA AEROFIN

The GANNA AERO FIN is a high-performance carbon seatpost engineered to minimize drag through a biomimetic design. By utilizing a slim, shark-fin-inspired structure, it optimizes airflow around the seat post area to improve overall cycling efficiency.

 

Key Performance Features

  • Ultra-Slim Frontal Profile: At just 13mm wide, the frontal profile significantly reduces wind resistance and trailing vortex drag.

  • Bionic Micro-Offset: The unique shape allows for subtle longitudinal flex, improving ride comfort without compromising lateral stiffness.

  • Precision Finish: Each post features a naked carbon fiber finish with a precision laser-fused surface.

  • Integrated Component System: The system includes a full-carbon saddle clamp and titanium hardware for a lightweight, secure setup.

 

Technical Specifications

  • Material: Carbon fiber with titanium bolts/parts
  • Length Options: 300mm or 370mm
  • Setback: 10mm / 5mm / 3mm (Based on model)
  • Saddle Clamp Width: 47mm
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Model 27.2 SL8 SOLOIST S5 REACTO DOGMA F 2025
Length 300/ 370mm 300/ 370mm 300/ 370mm 300/ 370mm 300/ 370mm 300/ 370mm
Weight 99g/ 115g 99g/ 115g 99g/ 115g 115g/ 125g 105g/ 120g 99g/ 115g
Setback 10mm 10mm 10mm 3mm 5mm 5mm

Note: Measurements are subject to usual manufacturing tolerances.

Gallery

 

Installation & Safety

To ensure performance and safety, please adhere to the following installation requirements:

  • Torque Limits: Max 5.5Nm for the wedge/clamp area.
  • Minimum Insertion: 75mm for the 300mm post; 95mm for the 370mm post.
  • Maximum Insertion: 160mm for the 300mm post; 230mm for the 370mm post.
  • Assembly: Apply carbon grip paste to the inserted section and use anti-seize grease on all titanium bolts.
  •  

 

Which length should I choose?

  • 300mm post: Minimum insert 75mm (max 160mm)

  • 370mm post: Minimum insert 95mm (max 230mm)

How to Check

  1. Measure your exposed seatpost. 

    - If the measurement falls between 140–225 mm → the 300 mm seatpost is recommended.

    - If the measurement exceeds 225mm choose the 370mm seatpost (maximum exposed seatpost 275mm.)

Feel free to contact us in the live chat if you need assistance. 

 

WARRANTY

The AERO FIN includes a 2-year warranty against manufacturing defects. Coverage can be extended by registering the product's serial number through the official member portal.

Additional information

Model

27.2 Dia, Cervélo S5, Cervélo Soloist, Merida Reacto, Pinarello Dogma F 2025, Specialized Tarmac SL8

Seatpost Size

300mm, 370mm

Brand

GANNA

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