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Seatposts
Gold standard aluminum seatpost for converting road bike frame geometry into a more aggressive aero position.
Specifications
- Launches Road Frame Geometry into the Aero Position Aluminum seat post effectively changes a 73° seat tube angle frame to 78° and moves riding position forward up to 38mm. Perfect solution for adjusting road bike geometry into a more aggressive aero position.
- Easily Fine-Tune Saddle Comfort: Micro-tilt adjust to fine-tune saddle comfort.
- Diameter: 27.2mm / 31.6mm with included shim
- Length: 265mm
- Minimum Insertion Length: 90mm
- Offset: 38mm (Forward)
- Head: 2-bolt, non-reversible
- Material: 6061-T6 aluminum topped with forged 6061-T6 upper and lower clamps
- Finish: Matte black w/ White Logo, Matte black w/ Black Logo
- Weight: 300g
$12.99
Genuine replacement parts
Original replacement seatpost.
Product details
- Saddle rail clamp sold separately
- Durable steel construction
$15.99
Durable alloy construction
- Compatible with standard saddle-clamp assemblies
- 350mm length
$24.49
Durable alloy construction
- Quick and easy 1-bolt adjustment
- 400mm length
$27.99
Bontrager's SSR Seatpost features straight gauge aluminum construction, a two-bolt rocker head with micro-adjustment, and comes in two diameters. This seatpost is suitable for both road and mountain bike use.
$29.99
Lightweight and durable die-cast alloy construction
- 2-bolt clamp for maximum adjustability
- 15mm offset
- 400mm length
$31.99
Get back on the road with an original equipment saddle.
GENUINE REPLACEMENT PARTS
Keep your bike operating as it should.
PRODUCT DETAILS
- Integrated 22.2mm x 170mm seatpost
- Integrated rear handle for stability
$31.99
Get back on the road with an original equipment saddle.
GENUINE REPLACEMENT PARTS
Keep your bike operating as it should.
PRODUCT DETAILS
- Integrated 22.2mm x 195mm seatpost
- Integrated rear handle for stability
$34.99
- Straight-gauge 6061-T6 alloy shaft construction
- 2-bolt rocker-head with micro-adjustment
- Suitable for road or mountain use
$51.99
- 45mm travel
- 30.9mm seatpost diameter
- 350mm length
- 60 to 180kg rider weight
- Adjustable suspension pre-load via hex key adjuster
- High-quality broached internal keyways provide many years of trouble-free use
- 15mm offset
- 2-bolt clamp
$74.99
Original equipment replacement parts for your ride.
Adjustable telescoping length from 0-300mm to fit a wide range of rider heights.
Details:
- 2-bolt rocker-head with micro-adjustment
- 6061-T6 alloy shaft construction
- Height marker lines for easy adjustment
$76.99 - $79.99
The Elite seatpost is a distilled design guaranteed to deliver reliable everyday performance for years to come. Perfect as a replacement or your next upgrade.
With an alloy body and a 2-bolt micro adjust head, this seatpost is available in a slew of diameters, lengths, and offsets to get you the right position.
Key features:
- 2-bolt micro-adjust head mechanism offers 15 degrees of adjustment
- Constructed of 2014 alloy
- Forged 6061-T6 alloy head, top and bottom clamps
- Unique clamp shape allows for easy saddle changes
- Compatible with standard and oversize carbon saddle rails
- Suitable for road or mountain use
$149.99
Pro performance post
A seatpost should do one thing well — hold your seat. Our new carbon fiber Pro seatpost does that and more with a reliable 2-bolt design that lets you swap saddles with ease.
Great for road or mountain use and available in a slew of diameters, lengths and offsets, this post gives you the setup versatility you've always wanted.
- 2-bolt micro-adjust head mechanism offers 15 degrees of adjustment
- OCLV carbon fiber shaft
- Forged 6061-T6 alloy head with OCLV carbon fiber top and bottom clamps
- Unique clamp shape allows for easy saddle changes
- Compatible with standard and oversize carbon saddle rails
- Suitable for road or mountain use
$194.99
Soften your ride by using a comfortable seatpost.
Genuine replacement parts
Make your ride more comfortable with a suspension seatpost.
- For use with riders of 70 to 90kg
- Offset: 30—60mm
- Travel: 27mm
- With double bolt saddle clamp
$199.99
Trek-compatible seat mast cap
Offered in white and black and a variety of lengths and offsets, the mast cap includes hardware compatible with round saddle rails only. 7x10mm carbon rail-compatible hardware sold separately.
Key features:
- Ultra-light carbon construction
- One bolt head design offers easy fore-aft and infinite angle adjustment
- Compatible with all Trek road bikes with round seat masts
- 175mm and 135mm lengths
- 5mm and 20mm offsets
- Aluminum clamp
$259.99
Bontrager's Speed Concept Seatpost lets you get your aero fit dialed. Different offsets allow you to customize your riding position for superior ergonomics and aerodynamics, and the clamp is compatible with both standard and oversize saddle rails. This seatpost is compatible with 2014 Trek Speed Concept 9 Series bikes.
$264.99
A reliable dropper seatpost with a 3-key chassis design that minimizes shaft play for a post that provides smooth and consistent travel adjustment.
Get up to get down
The Bontrager Line 34.9 dropper seatpost offers reliable and infinite adjustability within multiple dropping ranges to suit riders of all types. A 3-keyed chassis design provides additional lateral rigidity and minimizes play while a 2-bolt rocker head is perfect for fine-tuning saddle tilt. Line 34.9 is also designed with a shorter overall length, which allows more adjustability and frame compatibility.
Need an even shorter drop? Grab a 10mm or 30mm travel reducer spacer.
PRODUCT DETAILS
- Air-sprung hydraulic locking cartridge offers infinite adjustability within dropping range
- 3-key chassis prevents rotation for a stable ride
- 2-bolt rocker head with micro adjustment allows for easy saddle tilt adjustment
- Shorter overall length [versus previous version] allows more adjustability and compatibility
- Fine-tune your fit fast and easy with 10mm and 30mm travel reducer spacers
- Lever sold separately. Compatible with Universal Lever, Under Bar Lever, and Elite Under Bar Lever
- Internal cable routing keeps housing tucked away and free from moving wheel
- Frame must be compatible with internally routed seatpost routing
$264.99 - $369.99
The Highline 3 delivers infinite adjustment, smooth feel, and easy installation.
Details
- Premium Trelleborg sealing
- Exclusive Igus LL-glide bearings and keys
- Jagwire cable and housing
- Self-contained hydraulic cartridge delivers industry-leading quality and reliability
- Internal routing
- Quick connect mechanism for ease of cable installation
- Linear actuator for quick return speed
- 2-bolt standard head
- Remote sold separately
$269.99
The Bontrager Line 31.6 dropper seatpost offers reliable and infinite adjustability within multiple dropping ranges to suit riders of all types. A 3-keyed chassis design provides additional lateral rigidity and minimizes play while a 2-bolt rocker head is
- Air-sprung hydraulic locking cartridge offers infinite adjustability within dropping range
- 3-key chassis prevents rotation for a stable ride
- 2-bolt rocker head with micro adjustment allows for easy saddle tilt adjustment
- Shorter overall length [versus previous version] allows more adjustability and compatibility
- Fine tune your fit fast and easy with 10mm and 30mm travel reducer spacers
- Lever sold separately. Compatible with Universal Lever, Under Bar Lever, and Elite Under Bar Lever
- Internal cable routing keeps housing tucked away and free from moving wheel
- Frame must be compatible with internally routed seatpost routing
$269.99
A reliable dropper seatpost with a 3-key chassis design that minimizes shaft play for a post that provides smooth and consistent travel adjustment.
GET UP TO GET DOWN
The Bontrager Line 31.6 dropper seatpost offers reliable and infinite adjustability within multiple dropping ranges to suit riders of all types. A 3-keyed chassis design provides additional lateral rigidity and minimizes play while a 2-bolt rocker head is perfect for fine-tuning saddle tilt. Line 31.6 is also designed with a shorter overall length, which allows more adjustability and frame compatibility.
Need an even shorter drop? Grab a 10mm or 30mm travel reducer spacer.
PRODUCT DETAILS
- Air-sprung hydraulic locking cartridge offers infinite adjustability within dropping range
- 3-key chassis prevents rotation for a stable ride
- 2-bolt rocker head with micro adjustment allows for easy saddle tilt adjustment
- Shorter overall length [versus previous version] allows more adjustability and compatibility
- Fine-tune your fit fast and easy with 10mm and 30mm travel reducer spacers
- Lever sold separately. Compatible with Universal Lever, Under Bar Lever, and Elite Under Bar Lever
- Internal cable routing keeps housing tucked away and free from moving wheel
- Frame must be compatible with internally routed seatpost routing
$269.99
Ultra-light comfort and control
The all-new RSL 27.2 Seatpost is an ultra-lightest carbon seat post, that now comes with an all-new design with a CnD shape profile for a more controlled and forgiving ride experience.
An ultra-light carbon seatpost with unique shape profile for increased compliance.
- CnD shape profile increases torsional stiffness and vertical compliance
- Designed to offer increased compliance at maximum and minimum insertion points
- 2-bolt design offers independent setback and tilt adjustments (+/- 12 degrees)
- 100% OCLV Carbon fiber shaft and head
- Includes 7x7mm round rail clamp compatibility
- Carbon 7x10mm saddle ears sold separately
$274.99
Integrates seamlessly into frame.
Genuine replacement parts
Keep your Speed Concept looking fresh.
- Only compatible with Speed Concept
- Flippable head
$284.99
Our lightest seatpost ever
The RSL 31.6 Seatpost is a strong, light, and compliant OCLV Carbon seatpost with a 2-bolt clamp that offers secure, no-slip saddle positioning for mountain bikes. Designed for weight-savings and durability, the RSL 31.6 Seatpost is makes the ultimate upgrade for any ultra-light race bike.
An ultralight OCLV Carbon seatpost with a 31.6 diameter and 2-bolt clamping head that offers easy-to-set, secure, slip-free saddle positioning.
- 100% OCLV Carbon fiber shaft, head, and plates
- Lightweight titanium hardware
- 2-bolt micro-adjust head mechanism offers 15 degrees of adjustment
- Unique clamp shape allows for easy saddle changes and adjustments
- Compatible with standard and oversize carbon saddle rails
- Suitable for road or mountain use
$284.99
The latest generation Thudbuster ST is superior to its predecessor in every way. Building on Thudbuster's proven parallel linkage technology we have completely re-designed the seatpost for increased durability, a higher rider weight limit, and additional suspension travel, as well as ease of use through tool-free elastomer change and a single-bolt seat clamp design.
By improving on this already legendary design, we're confident to say that the newest generation Thudbuster is the most advanced suspension seatpost ever made.
- Travel: 50mm
- Weight: 580g
- Max Rider Weight: 330lbs
$284.99
Lighter weight option for Speed Concept.
Genuine replacement parts
Keep your bike looking fresh.
- Only compatible with Speed Concept
- Fixed head position
$294.99
The latest generation Thudbuster LT is superior to its predecessor in every way. Building on Thudbuster's proven parallel linkage technology we have completely re-designed the seatpost for increased durability, additional suspension travel, as well as ease of use through tool-free elastomer change and a single-bolt seat clamp design.
By improving on this already legendary design, we're confident to say that the newest generation Thudbuster is the most advanced suspension seatpost ever made.
- Travel: 90mm
- Weight: 750g (31.6mm)
- Max Rider Weight: 250lbs
$297.00
Performance suspension seatposts designed to add comfort and compliance to any bike without adding unnecessary weight. With 35mm of travel, the eeSilk+ is a suspension seatpost designed to noticeably soften any gravel or mixed-surface road. These posts make great enhancements to gravel or mixed surface bikes by reducing the chatter transmitted from the surface to the rider and can be tuned to rider weight through a simple elastomer change. #5 elastomer comes pre-installed, other weight elastomers sold separately
- Travel: 35mm
- Length: 387mm
- Weight: 373g (27.2mm); 378g (31.6mm)
- Max Rider Weight: 250lbs
- Offset: 12mm
- Minimum Extension: 80mm
- Maximum Extension: 287mm
$304.99
Direct fit on 2016+ Madone 9-Series frames
Genuine replacement parts
Ultra-light carbon fiber shaft and head.
- 2-bolt design offers independent setback and tilt adjustments
- Does not include saddle clamp ears—7mm round and 10mm oval ears sold separately
$310.50
The minimal design of the ShockStop Seatpost blends seamlessly with the aesthetic of modern gravel, road, and e-bikes. Along with the ShockStop Stem, this system works together to reduce fatigue and strain, letting you ride further, faster, and more comfortably.
Benefits:
- Go further—reducing fatigue from bumps and vibrations
- Ride faster—energy that is normally wasted suspending your body is converted into forward motion
- Take control—customize your suspension feel to float over obstacles and maintain control
Details:
- 35mm of active suspension travel
- Infinitely adjustable stiffness via pre-load adjustment and swappable springs
- Adjusting stiffness / pre-load does not reduce travel
- Swappable springs included to accommodate varied rider weight and preference
- Optimized linkage geometry provides ultra-responsive suspension feel
- Check technical specifications for compatibility
What's in the Box:
- 1 x ShockStop Seatpost
- 2 x springs (1 pre-installed, 1 included in box for increased stiffness)
- All required hardware
$329.99 - $339.00
The all-new Highline XC/Gravel delivers infinite adjustment, smooth feel, and easy installation.
- 27.2mm seatpost diameter to fit most XC and gravel bikes
- Jagwire cable and housing
- Self-contained IFP hydraulic cartridge
- Internal routing
- Quick-connect mechanism for ease of cable installation
- Linear actuator for quick return speed
- 2-bolt standard head
- Drop Bar Remote sold separately
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