Seatposts

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

The Syncros Dropper 2.0 seatpost gives you the freedom to quickly switch from sprinting uphill or attacking down a descent with the simple press of the remote. Internal cable routing, infinite steps and 120mm or 150mm of travel round out this lightweight package. - Alloy AL7050 - 31.6mm diameter - 10mm Offset - Compatible from 7x7mm up to 7x10mm rails, carbon rails inclusive

Kalloy's 602 seatpost comes in a wide variety of diameters to fit most frames. Simple, sturdy, and lightweight, the 602 makes a great replacement seatpost.

A specific eTen hydraulic cartridge with single bolt offset saddle clamp allow the enjoyment of droppers at a low price, available with 100mm of travel. - Black hard anodized stanchion and an air spring, hydraulically locked cartridge - Single-bolt alloy head - Remote sold separately

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

- Straight-gauge 6061-T6 alloy shaft construction - 2-bolt rocker-head with micro-adjustment - Suitable for road or mountain use

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

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

The Duncan 1.5 seatpost utilizes a high-end 7075 aluminum to create the best balance between stiffness and lightweight. The 2-bolt clamp is designed to ensure an easy setup and your saddle stays put. This model has a 10mm offset. - Designed and tested to meet Syncros' stringent standards for fatigue and impact strength. - 3D forged heat-treated aluminum tube - Proven Syncros clamp design for ease of adjustment - Compatible from 7x7mm up to 7x10mm rails, incl. carbon rails - Length: 400mm - Weight: 265g

The Duncan 1.5 seatpost utilizes a high-end 7075 aluminum to create the best balance between stiffness and lightweight. The 2-bolt clamp is designed to ensure an easy setup and your saddle stays put. This model has a 25mm offset. - Designed and tested to meet Syncros' stringent standards for fatigue and impact strength. - 3D forged heat-treated aluminum tube - Proven Syncros clamp design for ease of adjustment. Compatible from 7x7mm up to 7x10mm rails incl. carbon rails. - Compatible from 7x7mm up to 7x10mm rails, carbon rails inclusive - Length: 400mm

Our Duncan Aero seatpost is optimized for the new Scott Addict road bike with a dedicated profile. Constructed from super light carbon fiber the layup is optimized for an excellent balance between light weight, stiffness and comfort. The 2-bolt clamp is designed to ensure that your setup is easy and your saddle stays put. - Our lightest-ever seatpost - Syncros engineered carbon construction offers an optimized blend of strength and light weight - Proven Syncros clamp design for ease of adjustment - Compatible from 7x7mm up to 7x10mm rails, carbon rails inclusive (adapter included) - Compatible with Addict RC, Addict Gravel, Addict eRide - Weight: 160g - Length: 400mm - Carbon UD, Superlight Layup

Our Duncan SL seatpost is produced from high-end and super-light carbon fiber which combined with an optimized layup makes for an excellent balance between light weight, stiffness and comfort. The 2-bolt clamp is designed to ensure that your setup is easy and your saddle stays put. - Syncros engineered carbon construction offers an optimized blend of strength and lightweight - Proven Syncros clamp design for ease of adjustment - Compatible from 7x7mm up to 7x10mm rails, carbon rails inclusive - Weight: 185g (27.2x400mm) - Length: 400mm - Carbon UD, Superlight Layup

The Syncros FL1.0 Carbon Offset Seatposts utilize an optimized carbon layup to best balance stiffness and comfort into a lightweight structure. The multi-rail-compatible 2-bolt clamp and anti-slip design ensure that your setup is easy and your saddle stays right where you put it. - Material: Carbon Ud - Rails compatibility: 7x7mm to 7x10mm, carbon rails inclusive - Rails: Round/oval saddle rails - Weight: 210 grams (31.6mm)

The Syncros FL1.5 seatpost utilizes a high-end 7075 aluminum to best balance stiffness and lightweight. The multi-rail-compatible 2-bolt clamp and anti-slip design ensure that your setup is easy and your saddle stays right where you put it. - Material: Alloy AL7050 - Rail compatibility: 7.7mm-7x10mm, carbon rails inclusive - Rails: round/oval saddle rails - Weight: 265 grams (31.6mm)

Syncros FL1.5 seatposts utilize a high-end 7075 aluminum to create the best balance between stiffness and low weight. The 2-bolt clamp is designed to ensure an easy setup and your saddle stays put. - Designed and tested to meet Syncros' stringent standards for fatigue and impact strength. - 3D forged heat-treated aluminum tube - Proven Syncros clamp design for ease of adjustment. Compatible from 7x7mm up to 7x10mm rails, carbon rails inclusive.

The Duncan TRI seatpost is constructed from carbon fiber for ultimate weight saving. The saddle is mounted to a sliding rail, which allows for a wide range of adjustment. - Sliding mount for rail - Carbon fiber - Compatible with Plasma 6 only

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

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

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

A performance dropper post with MaxFlow technology for faster, smoother operation. The Line Elite 31.6 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 170mm travel ensure there is a size for your ride. Designed for bikes with internal frame routing. - 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 - Travel inserts available in 10mm and 30mm sizes to fine tune travel and rider fit - Cable-actuated under-bar lever compatible with SRAM MatchMaker and Shimano I-Spec II - 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

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

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.

- Designed using SRAM Exogram technology - Available the Zipp SL Speed DI2 Internal Battery Mount to hold a Shimano DI2 seatpost battery within the SL Speed seatpost. (Sold separately) - Matte Black finish - Seat Post Diameter: 31.6mm - Seat Post Length: 400mm

- Designed using SRAM Exogram technology - Available the Zipp SL Speed DI2 Internal Battery Mount to hold a Shimano DI2 seatpost battery within the SL Speed seatpost. (Sold separately) - Matte Black finish

The carbon Service Course SL seatpost is specifically tuned to be more shock absorbing than the "comfort" seatposts on the market, while still passing our strict internal MTB strength test. Flex engineered into the lightweight carbon tube keeps the rider comfortable over any terrain. Better fit means better performance, and if your saddle is out of position, you'll waste energy with every pedal stroke. The secure, two-bolt clamp makes for easy micro-adjustments of saddle position, and the head has been redesigned for maximum bolt-head accessibility. The Service Course SL seatpost makes it possible for nearly any rider to achieve the perfect fit, and the clamp works with all saddle rail types. - Distinctive Zipp cosmetics - Unidirectional Carbon fiber tuned for ride comfort - Lightweight clamping system - Lifetime warranty

The X-Fusion Manic post uses internal cable routing and was designed around a low-profile seat cradle and seal collar to fit a broad range of frames. The mechanism is air-sprung and hydraulically locked. The remote can be run on the left or right, above or below the handlebar, but is optimized as a left shifter replacement for 1x drivetrains. - Cable activated, hydraulic action, infinitely adjustable travel - Double key-way design prevents lateral twisting - Double bolt clamp with a wide range of seat angle adjustment. Fits both standard and 7 x 9 mm Carbon Rails - Sealed cartridge internals for quick replacement - Low profile head-seal and saddle clamp increase useable travel

Seatposts can be an overlooked part of the bike, but at Whisky Parts Co., everything gets the same attention to detail so your ride never suffers. Their seatposts are made from the highest quality carbon, ensuring they are durable, lightweight, and comfortable. Whether you’re remounting during a cross race or abusing them on the trail, you'll be glad you have the No.7. - Carbon shaft absorbs trail chatter - UD carbon shaft, forged aluminum head

Our intention with Reverb AXS was inventive and pure: No hoses. No routing. No energy wasted. Not a single thing in the way of the experience. We created a reliable wireless-electronic dropper post and controller that actuates with drastically less effort and zero distraction. Expanding what's possible on a bike, Reverb AXS is enabled by SRAM AXS technology, a new level of interaction, personalization, and connectivity across all AXS-enabled components. - Effortless Electronic-Wireless actuation and infinite height adjustment with a single touch. - Clean, simple and fast to install. No hoses to route, no fishing required. - Updated internals for faster return speed in all conditions. - New Vent Valve Technology, a simple and reliable built in service solution without disassembly of the seatpost. - SRAM AXS technology, a new level of interaction, personalization, and connectivity across all AXS-enabled components. - Includes RockShox AXS handlebar controller, rechargeable SRAM battery, and charger.

Proven 2-bolt design provides a class-leading balance between strength, weight, and easy adjustability. Low-profile clamp reduces stress on lightweight rails and won't bottom out. - Material: 6061 alloy - Saddle clamp: standard - Saddle clamp torque: 13Nm (max) - Seat collar torque: not specified - follow frame/seat binder specification

Ritchey's WCS 1-Bolt Seatmast Topper makes saddle installation and adjustment super easy. It's constructed of forged aluminum for strength and the single bolt clamp makes it very simple to find your perfect saddle position. Furthering the ideal fit, the WCS Seatmast Topper comes in 50mm and 70mm lengths and different offsets.