
EXA Form 900i Internal Dropper Seatpost — 30.9mm, 100mm Travel
EXA FORM 900i · 30.9mm / 100mm TRAVEL
Seat-height adjustment at the remote lever.
Set up remote saddle-height adjustment with the EXA Form 900i internal dropper seatpost. This exact option combines a 30.9mm diameter, 345mm overall length and 100mm travel, with a remote lever and cable kit included.
Measure the frame before choosing the post
Your frame needs the correct seat-tube diameter and an internal cable route. Check insertion depth and required saddle height together so the chosen length and travel suit your setup.
This option
- Seatpost diameter: 30.9 mm.
- Overall length: 345 mm.
- Travel: 100 mm.
- 7075 alloy tube, as specified by the supplier.
- Remote lever and cable kit included.
Check your frame
Confirm the seat-tube diameter, available insertion depth, required saddle height and internal cable route before ordering. Check the saddle-rail and handlebar-control interfaces against the manufacturer’s instructions.
Installation and care
Follow the supplied EXA Form manual, including the minimum-insertion marking and tightening requirements. Check saddle security, cable movement and post operation before riding, and follow the manufacturer’s maintenance guidance.

EXA Form 900i Internal Dropper Seatpost — 30.9mm, 100mm Travel