Alien Aero Carbon Seat Post Technical Information

Length - S (250mm) / M (310mm) / L (365mm) / XL (400mm)

Diameter - 27.2mm

Weight - Small          152g

               Medium      168g

               Large         186g

               Xtra Large  194g

Triathlon sizes are 2g heavier

Material - Carbon Tube / CNCd 7075 T6 Aluminium

Finish - Satin Carbon / Anodised Aluminium parts (up to 45 microns)

Layback / Offset - 20mm (Alien Cyclops Clamp)

Cyclops Clamp (5g lighter than twin bolt Alien clamp)

Tube - Full hand moulded carbon construction

Graphics - tough and durable

Head / Clamp - Forged and CNCd 7075 T6 Aluminium

3M bonding techniques and methods

Utilises the latest carbon and manufacturing techniques

Hand moulded carbon tube

At the forefront of technology and engineering excellence

In house testing with support from Giant, Specialized and Cannondale

All tubes are NDT tested before they leave our factory

How do I know what size Aero seat post I need?

Measure the top of the seat tube to the centre of the rail, then use the information below to find the correct size Aero seat post.

Small: 130mm - 190mm
Medium: 185mm - 240mm
Large: 235mm - 280mm
X Large: 275mm - 310mm

Example 1: 225mm of seat post showing will need a Medium.
Example 2: 245mm of seat post showing will need a Large.