PRO Tharsis 100mm In-Line Internal Dropper Post
The PRO Tharsis 100mm In-Line Internal Dropper Post is designed to cut weight and improve performance, the Tharsis Dropper Seatpost features 100mm of infinite-stop travel, internal cable routing and is available in three diameters.
Key Features:
- The 27.2mm version boasts a 3D forged construction with an AL6061 alloy lower and an AL7050 alloy shaft, with titanium bolts; which ensures that it tips the scales at just 405g
- The 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 while the oval shaft, improved collar design and optimized lower tube saves a further 25g
Product Information
Product Information
Shipping & Returns
Shipping & Returns

PRO Tharsis 100mm In-Line Internal Dropper Post
PRO Tharsis 100mm In-Line Internal Dropper Post
The PRO Tharsis 100mm In-Line Internal Dropper Post is designed to cut weight and improve performance, the Tharsis Dropper Seatpost features 100mm of infinite-stop travel, internal cable routing and is available in three diameters.
Key Features:
- The 27.2mm version boasts a 3D forged construction with an AL6061 alloy lower and an AL7050 alloy shaft, with titanium bolts; which ensures that it tips the scales at just 405g
- The 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 while the oval shaft, improved collar design and optimized lower tube saves a further 25g
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The PRO Tharsis 100mm In-Line Internal Dropper Post is designed to cut weight and improve performance, the Tharsis Dropper Seatpost features 100mm of infinite-stop travel, internal cable routing and is available in three diameters.
Key Features:
- The 27.2mm version boasts a 3D forged construction with an AL6061 alloy lower and an AL7050 alloy shaft, with titanium bolts; which ensures that it tips the scales at just 405g
- The 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 while the oval shaft, improved collar design and optimized lower tube saves a further 25g











