GANNA AEROFIN Lightweight Carbon Seatpost
$279.00
- 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.
- Frame compatibility: Continuously developing seatposts for leading frames.
- Weight limit: 110kg.
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Description
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
| 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.(±5g)
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
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.
GANNA AEROFIN WIDELY COMPATIBLE
Develop seatposts per market feedback, covering popular models in 2026.
More models are under development...
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 | CANNONDALE EVO4 – 8mm Setback, CANNONDALE EVO5 – 8mm Setback, CANYON 23-24 AEROAD CFR/SLX – 7mm Setback, CANYON 25-26 AEROAD CFR/SLX – 5mm Setback, CERVELO S5 – 3mm Setback, CERVELO SOLOIST – 10mm Setback, COLNAGO V4RS – 12mm Setback, COLNAGO Y1RS – 10mm Setback, FACTOR ONE – 3mm Setback, FACTOR OSTOR VAM 2.0 – 9mm Setback, GIANT PP SL – 5mm Setback, GIANT TCR SL – 5mm Setback, MERIDA REACTO – 5mm Setback, MERIDA REACTO 26 – 8mm Setback, PINARELLO DOGMA F – 5mm Setback, PINARELLO X9 – 5mm Setback, QUICK ER ONE – 3mm Setback, ROUND 27.2mm – 10mm Setback, SCOTT FOIL – 6mm Setback, SEKA SPEAR – 5mm Setback, Specialized ALLEZ SPRINT – 8mm Setback, Specialized TARMAC SL7 – 8mm Setback, Specialized TARMAC SL8/9 – 10mm Setback, TREK MADONE SL/SLR – 10mm Setback, XDS X-LAB AD8/AD9 – 7mm Setback |
|---|---|
| Seatpost Size | 300mm, 370mm, 400mm |
Brand
GANNA
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