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Seatposts
$179.99
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
$19.99
- Forged aluminum
- 7/8-inch seat-clamp diameter
- 165 grams
$549.00
Reverb AXS completes the AXS ecosystem by giving the rider customizable controls, easy install, and a shared battery, charger, and controller. Built for GX, X0, and XX riders, Reverb AXS ensures smooth control and reliability for every rider running a 100mm up to a 250mm dropper post, all with improved battery clearance.
Features:
- Travel options include 100mm, 125mm, 150mm, 175mm, 200mm, 225mm, 250mm
- NEW air-over-air design that is more robust and durable
- ActiveRide provides a compliant platform for technical E-MTB climbs when not in fully extended rigid position
- Compatible with all saddle rail types (7x7, 7x9x, and 7x10)
$314.99
The lightest, longest, smoothest, and most reliable dropper post that will fit your bike.
The V3 is the lightest infinitely-adjustable dropper post on the market, it has the shortest total length and stack height of any dropper post, 20mm of adjustable travel, an extended 350-hour service interval, and new ultra-low friction IGUS® bushings and SKF® seals. Plus, save an additional 10g with our Titanium Bolt Upgrade Kit.
$359.00 - $369.00
- LEV has always represented the latest technology but is already a classic among top contending dropper posts.
- With myriad of firsts to its name; first hydraulic dropper to offer zero cable movement, first dropper to win a UCI World XC Eliminator event and first in countless enduros, magazine tests and customer satisfaction polls, LEV IS the first dropper seatpost to outperform itself.
$359.00
The proven Transfer seatpost gets lighter and tighter. Completely redesigned from the ground up, with improved serviceability, decreased weight, reduced length, and decreased insertion depth.
"Factory" says it all. The best-of-the-best technology we have to offer is available in our Factory Series models with our buttery smooth, ultra-durable Genuine Kashima Coat. These products are World Cup proven.
The Transfer continues the excellent reputation of smooth function and great reliability with an infinitely adjustable height design, and internal or external cable routing options. Low lever force and great modulation make it easy to regulate return speed and small height adjustments. The Factory Series Transfer features Genuine Kashima Coating for maximum performance.
- Cable actuated with tool-free quick disconnect for easier installation and removal
- Low lever force provides consistent actuation pressure even with saddle weighted or unweighted
- Easy to modulate return speed with lever
- Factory Series models feature Genuine Kashima Coat
- Remote lever sold separately
$29.99
- Straight-gauge 6061-T6 alloy shaft construction
- 2-bolt rocker-head with micro-adjustment
- Suitable for road or mountain use
$219.99
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
$240.99
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.
- 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 Drop Line Universal Lever sold separately
- Frame must be compatible with internally routed seatpost routing
$329.99
A performance dropper post with an larger 34.9mm diameter and updated design with MaxFlow technology for faster, smoother operation. The Line Elite 34.9 Dropper is easy to set up and easier to drop, with 20% less saddle force required. Avid Matchmaker and Shimano I-Spec II compatibility ensures simple, integrated setup and the included lever provides a great feel with an easy push. Length options from 100mm to 200mm travel ensure there is a size for your ride. Designed for bikes with 34.9mm seatpost compatibility.
- Infinitely adjustable air-sprung hydraulic locking cartridge with 20 percent reduction in compression force
- MaxFlow design allows for a faster return and less compression force
- 34.9mm diameter adds strength and durability while reducing side-play and stiction
- Cable-actuated under-bar lever compatible with MatchMaker and Shimano EV
- 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
$229.99
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
$219.99
Lighter weight option for Speed Concept.
Genuine replacement parts
Keep your bike looking fresh.
- Only compatible with Speed Concept
- Fixed head position
$209.99
Integrates seamlessly into frame.
Genuine replacement parts
Keep your Speed Concept looking fresh.
- Only compatible with Speed Concept
- Flippable head
$299.99 - $439.99
Get back on the road with a genuine replacement seatpost.
GENUINE REPLACEMENT PARTS
Original replacement seatposts for your Madone SLR.
PRODUCT DETAILS
- Ultra-light carbon construction
- Aerodynamic design
- Color matched for direct compatibility
- 7mm round and 10mm oval saddle rail clamp ears sold separately
- 2nd iteration to better fit the Madone Gen 7 SLR & SL frameset
$259.99 - $274.99
Aerodynamic design.
Genuine replacement parts
Original equipment integrated seatpost.
Aerodynamic design.
- Color matched for direct compatibility
- 7mm round and 10mm oval saddle rail clamp ears sold separately
$274.99
GENUINE REPLACEMENT PARTS
Get back on the road with genuine replacement parts.
PRODUCT DETAILS
- Keep your bike fresh
- Includes routing port for rear light
$274.99
GENUINE REPLACEMENT PARTS
Get back on the road with genuine replacement parts.
PRODUCT DETAILS
- Keep your bike fresh
- Includes routing port for rear light
$9.99
Genuine replacement parts
Original replacement seatpost.
Product details
- Saddle rail clamp sold separately
- Durable steel construction
$329.99
Get back on the road with a genuine replacement seatpost.
- Genuine replacement parts
- Original replacement seatposts for your Madone SL/R.
PRODUCT DETAILS
- Ultra-light carbon construction
- Aerodynamic design
- 7mm round, 9mm oval, and 10mm oval saddle rail clamp ears sold separately
$234.99
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
$26.99
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
$29.99
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
$26.99
Get back on the road with an original equipment saddle.
GENUINE REPLACEMENT PARTS
Keep your bike operating as it should.
PRODUCT DETAILS
- Seatpost included
- Integrated rear handle for stability
$149.99
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
$12.99
Genuine replacement parts.
Replacement seat posts for a variety of frame styles.
Original equipment replacement seat posts.
Durable aluminum construction
$4.99 - $5.50
Genuine replacement parts.
Replacement seatposts for a variety of frame styles.
- Durable aluminum construction
- For specific compatibility concerns, please contact our Customer Service team
- Rail compatibility: Universal
$199.99
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
$199.99
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
$319.99
Ride longer, ride farther with the eeSilk Carbon premium suspension seatpost. The eeSilk carbon is comparable in weight to traditional rigid performance seatposts while offering 20mm of vertical compliance improving control on rough surfaces and reducing fatigue on long rides. These posts make great enhancements to endurance road 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: 20mm
- Length: 350mm
- Weight: 295g (eeSilk Carbon 27.2)
- Max Rider Weight: 250 lbs.
- Offset: 8mm
$319.99
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: 362mm
- Weight: 323g (27.2mm), 333g (31.6mm)
- Max Rider Weight: 250lbs
- Offset: 12mm
- Minimum Extension: 80mm
- Maximum Extension: 287mm
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