• USE Alien Carbon Cyclops Seatpost

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USE Alien Carbon Cyclops Seatpost

The USE Alien seatpost maintains its position of market leader in the lightweight performance sector. The Alien has continually evolved with the latest being the Alien Cyclops.

Using a larger (3mm hex key) single bolt central to the clamp design, the Alien Cyclops makes adjustment easier and faster. The new Cyclops design is stronger than ever and is even 5g lighter. The Alien Cyclops has a unique one-key release mechanism that makes re-adjustment as simple as a turn of the hex key.

The Alien Carbon seatpost is used by World-class athletes through to amateurs, 2 X Tour de France King of the Mountains, Multiple MTB World Cup victories.

  • Ultimate lightweight seatpost
  • Designed for the performance rider
  • To perform on the world stage (2 X Tour de France King of the Mountain and multiple MTB World Cup victories)
  • Chosen by the worlds best athletes who do not compromise


  • Weight: 160g (270mm 27.2), 162g (270mm 31.6), 184g (350mm 27.2), 188g (350mm 31.6)
  • Material - Carbon Tube/CNCd 7075 T6 Aluminium 
  • Finish - Satin Carbon/Anodised Aluminium parts  (up to 45 microns)
  • Layback/Offset - 10mm
  • Cyclops Clamp (5g lighter than twin bolt Alien clamp)
  • Rail Size - 7mm rails as standard, a range of different size clamps are available separately
  • Minimum Insert Depth - 80mm for 270mm, 100mm for all other sizes
  • Tube - Full carbon construction
  • Graphics - Screen printed
  • Head/Clamp - Forged and CNCd (except the bolt on the clamp) 7075 T6 Aluminium
  • 3M bonding techniques and methods
  • Utilises the latest carbon and manufacturing techniques
  • At the forefront of technology and engineering excellence
  • In house testing aided with support from Giant, Specialized and Cannondale along with extensive FEA development.

Buy USE Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

  • Delivery costFREE
  • Delivery toUSA
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.

    More information on returns
  • Pay by PayPal, Bank Transfer or Card


Buying Guide

  • We've got everything you need to know in our buying guide.

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