Dropper postPartial spec
Bontrager Line Line Dropper Seatpost (3 key chassis, 31.6 and 34.9)
Lists today at $220
Own a Bontrager Line Line Dropper Seatpost (3 key chassis, 31.6 and 34.9)?
Track its value in your garage, or list it for sale locally in a few taps.
What a used one is worth
New
$220
$187 to $220
Like new
$209
$178 to $220
Excellent
$198
$168 to $218
Good
$165
$140 to $181
Fair
$121
$103 to $133
For parts
$66
$56 to $73
From the current list price, adjusted for condition. Guidance from our catalog, not an appraisal.
Overview
- Brand
- Bontrager
- Series
- Line
- Model
- Line Dropper Seatpost (3 key chassis, 31.6 and 34.9)
- Type
- Dropper post
- Years
- up to 2026
- Current list price
- $220 (as of 2026-09)
Compatibility
- Seatpost diameter
- 31.6, 34.9
Specifications
- Chassis
- 3 key
- Travel mm
- 100, 150, 170, 200
- Hydraulics
- MaxFlow
- Travel note
- 200 mm in 34.9 only
- Adjustable travel
- 10 mm and 30 mm travel reducers (sold separately)
Current Line dropper sold as separate 31.6 (Trek product 41713) and 34.9 (41485) listings at $219.99 regular (Trek advertised and was price equal) for every size. Trek publishes no model year range for it, so the first year is unknown.
For sale now
None listed right now. Save a search in the app and get told when one appears. Parts are local pickup at launch.