A streamlined design with fewer moving parts and better seals makes for a dropper post that performs consistently and requires less maintenance. The updated Bontrager Line Dropper Post is easy to set up and now even easier to service. The cable-actuated hydraulic locking design provides proven functionality for bikes with internal routing.
Product details
- Remote cable actuation with ergonomically designed under-bar lever
- Air-sprung hydraulic locking cartridge offers infinite adjustability within dropping range
- Keyed chassis prevents rotation for a stable ride
- 2-bolt rocker head with micro adjustment allows for easy saddle tilt adjustment
- Internal cable routing keeps housing tucked away and free from moving wheel
- Includes cable, housing, and 1x under-bar remote lever
- On-Bar Universal Lever sold separately
- Frame must be compatible with internally routed seatpost routing
if (typeof dataLayer !== "undefined") {
dataLayer.push({
"ecommerce": {
"currency": "USD",
"impressions": [
{
"id": "34840",
"name": "Bontrager Line Elite 31.6 Dropper Seatpost",
"price": "345.99",
"brand": "Bontrager",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 1
}
,
{
"id": "32843",
"name": "Bontrager Line Elite 34.9 Dropper Seatpost",
"price": "345.99",
"brand": "Bontrager",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 2
}
,
{
"id": "40658",
"name": "Cane Creek eeSilk+ Carbon Suspension Seatpost",
"price": "319.99",
"brand": "Cane Creek",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 3
}
,
{
"id": "36799",
"name": "Cane Creek eeSilk Carbon Suspension Seatpost",
"price": "319.99",
"brand": "Cane Creek",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 4
}
,
{
"id": "24997",
"name": "Trek Madone SLR Color-Matched Carbon Internal Seat Mast Cap",
"price": "289.99",
"brand": "Trek",
"category": "Bike seatposts & accessories",
"variant": "orange",
"list": "More Options",
"position": 5
}
,
{
"id": "33924",
"name": "Trek Domane SL Color-Matched Carbon Internal Seat Mast Cap",
"price": "274.99",
"brand": "Trek",
"category": "Bike seatposts & accessories",
"variant": "black_greydark",
"list": "More Options",
"position": 6
}
,
{
"id": "30477",
"name": "Trek Madone SL Color-Matched Carbon Internal Seat Mast Cap",
"price": "274.99",
"brand": "Trek",
"category": "Bike seatposts & accessories",
"variant": "blue",
"list": "More Options",
"position": 7
}
,
{
"id": "30668",
"name": "Trek Domane SLR Color-Matched Carbon Internal Seat Mast Cap",
"price": "274.99",
"brand": "Trek",
"category": "Bike seatposts & accessories",
"variant": "red",
"list": "More Options",
"position": 8
}
,
{
"id": "13662",
"name": "Trek Madone Micro-adjust Aero Carbon Seatpost",
"price": "234.99",
"brand": "Trek",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 9
}
,
{
"id": "40657",
"name": "Cane Creek eeSilk+ Aluminum Suspension Seatpost",
"price": "219.99",
"brand": "Cane Creek",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 10
}
,
{
"id": "36798",
"name": "Cane Creek eeSilk Aluminum Suspension Seatpost",
"price": "219.99",
"brand": "Cane Creek",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 11
}
,
{
"id": "11879",
"name": "Bontrager Speed Concept Carbon Seatpost",
"price": "209.99",
"brand": "Bontrager",
"category": "Bike seatposts & accessories",
"variant": "greydark",
"list": "More Options",
"position": 12
}
,
{
"id": "34646",
"name": "Bontrager RSL 31.6 Seatpost",
"price": "209.99",
"brand": "Bontrager",
"category": "Bike seatposts & accessories",
"variant": "greydark",
"list": "More Options",
"position": 13
}
,
{
"id": "34728",
"name": "Bontrager RSL 27.2 Seatpost",
"price": "209.99",
"brand": "Bontrager",
"category": "Bike seatposts & accessories",
"variant": "greydark",
"list": "More Options",
"position": 14
}
,
{
"id": "36340",
"name": "e*thirteen Vario Infinite Dropper Seatpost",
"price": "209.0",
"brand": "EThirteen",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 15
}
,
{
"id": "33622",
"name": "Cane Creek Thudbuster ST G4 Suspension Seatpost",
"price": "199.99",
"brand": "Cane Creek",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 16
}
,
{
"id": "33966",
"name": "Cane Creek Thudbuster LT G4 Suspension Seatpost",
"price": "199.99",
"brand": "Cane Creek",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 17
}
,
{
"id": "11255",
"name": "Trek Color-Matched Carbon Seat Mast Cap & 7mm Round Ears",
"price": "159.99",
"brand": "Trek",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 18
}
,
{
"id": "34015",
"name": "Trek Color-Matched Matte Carbon Seat Mast Cap & 7mm Round Ears",
"price": "159.99",
"brand": "Trek",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 19
}
,
{
"id": "24161",
"name": "Bontrager Pro Seatpost",
"price": "114.99",
"brand": "Bontrager",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 20
}
,
{
"id": "11849",
"name": "Bontrager Elite Seatpost",
"price": "62.99",
"brand": "Bontrager",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 21
}
,
{
"id": "10885",
"name": "Trek Pavement Suspension Seatpost",
"price": "31.99",
"brand": "Lee Chi",
"category": "Bike seatposts & accessories",
"variant": "greylight",
"list": "More Options",
"position": 22
}
,
{
"id": "13373",
"name": "Bontrager Comp Seatpost",
"price": "25.99",
"brand": "Bontrager",
"category": "Bike seatposts & accessories",
"variant": "black",
"list": "More Options",
"position": 23
}
]
}
});
}
Click “Learn More” to dive into the details and ensure you get the right size seatpost that will work with your frame and fit needs.
Learn more
Planet Earth is our home and our responsibility —we must do our part to preserve it. Learn how you can join the #GoByBike movement and help make a difference in the future of our planet and all who call it home.
Read more
Wondering how to properly fit that new helmet you just got? Need some tips on how to ride with your kids? How about ways to be more visible to cars? We've got that and a whole bunch more!
Learn more
Trek culture is who we are, what matters to us, and what we do as a brand. Take a look behind the scenes at Trek’s global headquarters.
Read more
If for any reason you're not satisfied with a Bontrager or Trek aftermarket purchase, return the item, along with the original sales receipt to the original place of purchase within 30 days for an exchange or refund. Think of it as a 30-day test ride.
Learn more
if (typeof dataLayer !== "undefined") {
dataLayer.push({
"ecommerce": {
"currency": "",
"impressions": [
{
"id": "25359",
"name": "Bontrager Blaze WaveCel Mountain Bike Helmet",
"price": "",
"brand": "Bontrager",
"category": "Bike helmets",
"list": "",
"position": 1
}
,
{
"id": "22466",
"name": "Bontrager Ion Pro RT Front Bike Light",
"price": "",
"brand": "Bontrager",
"category": "Bike lights",
"list": "",
"position": 2
}
,
{
"id": "22370",
"name": "Bontrager Comp MTB Pedal Set",
"price": "",
"brand": "Bontrager",
"category": "Bike pedals",
"list": "",
"position": 3
}
,
{
"id": "14798",
"name": "Bontrager Rapid Pack",
"price": "",
"brand": "Bontrager",
"category": "Bike bags & panniers",
"list": "",
"position": 4
}
,
{
"id": "13585",
"name": "Bontrager XR4 Team Issue TLR MTB Tire",
"price": "",
"brand": "Bontrager",
"category": "Bike tires",
"list": "",
"position": 5
}
,
{
"id": "22824",
"name": "Bontrager Evoke Mountain Bike Glove",
"price": "",
"brand": "Bontrager",
"category": "Full finger cycling gloves",
"list": "",
"position": 6
}
]
}
});
}
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, materials, and pricing. Prices shown are manufacturer's suggested retail prices.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
var pr_merchant_user_id = "";
var pr_merchant_user_email = "";
var pr_api_key = "87b3f2f0-f542-43f9-bf33-10c41cffcb73";
var pr_locale = "en_US";
var pr_merchant_group_id = "10250";
var pr_merchant_id = "4404";
var pr_page_id = "24159";
if (pr_page_id === undefined || pr_page_id === null || pr_page_id.trim() === "") {
// default to sku if poerreviewid is null
pr_page_id = "24159";
}
var pr_write_review = "/seelectra/en_US/equipment/cycling-components/bike-seatposts-accessories/bike-seatposts/bontrager-line-dropper-seatpost/p/24159/writeReview?";
var pr_product_name = "Bontrager Line Dropper Seatpost";
var pr_product_url = "https://www.trekbikes.com/p/" + "24159" + "/";
var pr_product_image = "//trek.scene7.com/is/image/TrekBicycleProducts/BontragerLineDropperSeatpostNewGraphics_24159_A_Primary?wid=690&hei=690&fmt=png8-alpha&qlt=80,1&op_usm=0,0,0,0&iccEmbed=0&cache=on,on";
if (pr_product_image && !pr_product_image.startsWith("http")) {
pr_product_image = "https:" + pr_product_image;
}
var pr_product_description = pr_product_name;
var pr_product_category_name = "Bike seatposts accessories";
var pr_product_manufacturer_id = "24159";
var pr_product_upc = "601479779222";
var pr_product_brand_name = "Bontrager";
var pr_product_price = "";
var pr_product_in_stock = "";
window.pwr = window.pwr || function () {
(pwr.q = pwr.q || []).push(arguments);
};