Pro Tharsis Dropper Seatpost

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keyboard_arrow_right Description

Pro Tharsis Dropper Seatpost


Aimed at XC and endurance riders, the PRO Tharsis Dropper Seatpost has 100mm of infinite-stop travel; enough to make dropping down a steep descent or blasting through a technical section faster without adding too much weight. All models weigh less than 500 grams thanks to weight-saving features like titanium bolts, with the 27.2mm option coming in at a claimed 405 grams. The 2-bolt seat clamp is secure and easy to adjust whilst the internal cable routing keeps the bike’s lines clean and the cable away from dirt and contamination.


  • 100mm of infinite-stop travel
  • Internal cable routing
  • 27.2mm version boasts a 3D forged construction with an AL6061 alloy lower and an AL7050 alloy shaft, with titanium bolts
  • 30.9 and 31.6mm versions also pack a 3D forged construction, but with AL7075 lowers and an AL7050 shaft
  • The new 2-bolt saddle clamp saves 45 grams
  • Oval shaft, improved collar design and optimised lower tube saves 25 grams
  • Claimed manufacturer’s weight: 27.2mm - 405 grams, 30.9mm - 449 grams, 31.6mm - 471 grams

Please note: Dropper lever and cable not included.

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