What makes it special
Bontrager Line Dropper 31.6mm Dropper Post Dust Seal
Black
$8.99
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Bontrager / Bike Seatposts & Accessories
Bontrager Line Dropper 31.6mm Dropper Post Dust Seal
Repair or refresh your Bontrager seatpost.
$8.99
Special order · expected Nov 9, 2026
Free pickup at any of our four stores. Questions? We're happy to help.
About this product
The details.
Genuine replacement parts
When it's time to refresh your trusty bike, Trek genuine replacement parts have you covered.
Product details
- Replacement dust seal for Line Dropper 31.6mm post only
- Regular maintenance of the seatpost will help maintain performance and extend lifespan
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