Bontrager Line Dropper Seatpost Cartridge
Best maintenance solution for riders fixing a sluggish dropper seatpost.
This replacement cartridge is the essential fix for a sluggish or failing dropper post. It restores factory-level performance, ensuring your seatpost moves with the speed and reliability you expect on the trail.
$65.99
at
King Kog Brooklyn
More Line options
Who it's for
- Riders seeking to revive sluggish or failing dropper posts
- Owners needing guaranteed compatibility and reliable performance
- Home mechanics wanting quick, hassle-free maintenance
Who should skip it
- Budget-conscious riders looking for cost-effective repair solutions
- Cyclists hoping to use universal or third-party components
- Beginner mechanics uncomfortable with specialized tools and torque specs
Performance breakdown
Actuation Responsiveness
Restores that crisp, immediate return feel of a brand-new post.
Installation Simplicity
Straightforward swap that gets you back on the trail quickly.
Compatibility Precision
Factory-spec engineering ensures a perfect fit for Line series posts.
Sag Reduction
Effectively eliminates the annoying drift common in aging dropper cartridges.
Component Durability
Robust internal seals provide reliable performance over long riding seasons.
Hardware Completeness
Includes all necessary bits to complete the service without extra trips.
Key Specs
Diameter
31.6 mm
Length
395.0 mm
Compatibility
Line Dropper and Line Elite seatposts
Bike Type Compatibility
Mountain Bike
Dropper Post
Yes
Includes
Cartridge assembly, bump stop, and locknut
Component Application Area
Seatpost
Know before you buy
Still have a question?
Ask Metto anything about the Bontrager Line Dropper Seatpost Cartridge before you decide.