Here is a great budget-friendly adjustable seatpost option!
The IRD RQR2 Dropper Seatpost is a mechanical dropper post with bar mounted control.
- 3 height settings: fully extended, fully dropped, and halfway
- Hard anodized slider, angle adjustable 2-bolt clamp, and rubber boot included
- No air cartridges or messy hydraulic fluid to deal with
Available here at The Path in 27.2, 445mm size only. MSRP is $129.99