Price: $79.00
(as of Jun 08, 2025 01:53:23 UTC – Details)

Here’s a great dropper seatpost for your Mountain / Gravel Bike. This is made by Exa Form and is the 900i Model. The Exaform 900i dropper represents everything a dropper should be. It is packed with performance, durable, and best of all won’t break the bank!
IMPORTANT NOTE – These posts are long! Make sure your frame and your leg length will accept a post that allows this kind of long travel. Minimum insertion of 120mm must be followed.
170mm travel model has an overall length of 470mm with a Min insertion of 120mm 190mm travel model has an overall length of 500mm with a Min insertion of 120mm
Features:
Internal cable routing
Available in 30.9 & 31.6mm sizes
170mm & 190mm Travel options
Weighing only 469-638 grams depending on the size
Comes ready to go with 1 x remote and cable with housing
Found on many bikes as OEM spec
30.9mm/31.6mm Long Travel Dropper Seatpost
Installation Diameter: 30.9mm/31.6mm are all available. Size is Important! Choose according to the inner diameter of the seat tube of your bicycle frame.
Internal Cable Routing and Simple Installation: only suitable for internal cable routing frame
Durable and Lightweight: Hydraulic dropper integrated inside 7075 alloy tube, 345mm-about 480g, 395mm-about 620g, 445mm-about 670g.
Remote Lever and cable Included
2 Kinds of Length Stroke Available: 345mm*100mm; 395mm*120mm; 445mm*150mm.
These posts are LONG – 470mm and 500mm depending on the travel amount you select. Be sure your frame and your leg length will allow the use of a post this long.
For use with Internal Routing Only
Customers say
Customers find the dropper post to be of good quality and worth the value. They appreciate its ease of installation and functionality, with one customer specifically noting that the dropper works as expected.

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