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Seatposts
$57.00 - $60.00
On today's road bikes, silver stands out amid the sea of stealthy black color schemes. This time-honored seatpost color is available on the Zipp Service Course Seatpost. Since the introduction of our line of Service Course and Service Course SL components, we've had amazing success with our pro-level athletes in all disciplines. While the successes have reinforced our design decisions, we have also drawn from their feedback. We not only learned how and why athletes make their equipment choices, but how our manufacturing methods and materials affect product performance. With new knowledge as well as new engineering, we are proud to offer redesigned Service Course seatposts.
- Material: 6061 aluminum
- 2-bolt adjustability
- Minimum insertion length: 90mm
$199.50 - $269.00
$199.50 - $269.00
Up to 20% Off
The OneUp Dropper post is available in 120mm, 150mm, 180mm and 210mm lengths and all can be shimmed down in travel by 10 or 20mm.
We've been obsessed with shaving every last millimeter from the latest OneUp post to give you the the shortest stack height and shortest total length of any dropper post. No other post can get your saddle lower.
Starting from $199 USD with free shipping worldwide, cable actuated with reliable sealed cartridge internals for easy home servicing and includes travel adjust shims allow you to custom tune your post to dial in your perfect length.
The dropper market is dominated by expensive big brand posts and generic catalog shopped posts with different logos. We want to offer something better, a post with class leading specs, innovative useful features AND real value. Want more from your dropper? Get OneUp.
FEATURES
- Travel adjust shims allow you to custom tune your post to dial in your perfect length.
- Cable actuated for easy installation and a simple no bleed remote
- Ergonomic remote paddle position
- Reliable sealed cartridge internals
- User replaceable cartridge only $60 USD
- Easy to service at home
- 2 year warranty
UPDATES
- Shortest total length of any dropper
- Shortest stack height of any dropper
- New upper DU Bushing in the upper collar
- Increased bushing overlap and durability
- 100-210mm post lengths in 10mm increments.
- 20g lighter
SPECS
- Drop 120mm, 150mm, 180mm, 210mm adjustable*.
- Diameter 30.9, 31.6, 34.9
- Routing Internal only
Remote Compatibility:
- SRAM Matchmaker X - SRAM MMX clamps
- Shimano I-spec-EV - 12 speed XTR M9100, XT M8100 and SLX M7100
- Shimano I-spec II - 11 speed XTR M9000, XT M8000, SLX M8000 only
- 22.2mm Bar Clamp - All other groups 10 speed SHIMANO
- Cable clamping remote only (post requires cable stop to be assembled at base of post)
- Travel Reducing Shim Reduces travel by up to 20mm.
Weight Post Only
- (30.9) 120mm 435g / 150mm 480g / 180mm 525g / 210mm 570g
- (31.6) 120mm 450g / 150mm 500g / 180mm 545g / 210mm 590g
- (34.9) 120mm 545g / 150mm 605g / 180mm 660g / 210mm 710g
Remote Only
- Remote with 22.2mm Bar Clamp - 46g
- Remote with SRAM Matchmaker X / I-spec-EV - 43g
- Remote with Shimano I-spec-EV - 43g
- Remote with Shimano I-spec II - 41g
- Housing and Cable (1300mm installed length) - 50g
$172.00 - $190.00
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
$119.95
Sleek design and ultimate functionality of the WCS 1-Bolt seatpost are the hallmarks of Ritchey design. Single bolt-actuated side load clamp offers easy adjustability and simple security in a post that works as nicely as it looks.
- 3D Forged 7050 Alloy
- Available in 27.2, 30.9 and 31.6mm diameters
- Available in 350 and 400mm lengths
- 20mm Offset
- 7x7mm saddle rail clamp included
- Interchangeable clamps available for carbon rail saddles
- Saddle Clamp Torque Spec: 12Nm
- Finish: Blatte
- 195g (27.2/350)
$429.00
The Reverb Stealth features Vent Valve Technology for super simple service if the need arises. Redesigned internals provide effortless actuation and increased reliability. With reduced overall post lengths and new travel options, riders of all shapes and sizes benefit from more travel than ever before. The new Reverb Stealth redefines what it means to simply go up and down.
- Shorter overall post length
- Stealth Internal cable routing
$599.00
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)
CONTROLLER SOLD SEPARATELY - Compatible with all AXS controllers
$149.99
- Highly tested & engineered unidirectional carbon tube offers outstanding fatigue & impact strength for a lightweight XC post
- Simple, lightweight 2 bolt design permits the saddle to be installed without disassembling the head
- Angled clamp bolts allow easy tool access for hassle free adjustment and tightening
- The rubber seatpost grommet fully seals the post to prevent water entering your seat tube
- Hunter head is suitable for most rail types 7/8mm alloy rails and 7/9mm carbon
- Wide lower cradle gives extra rail support for lightweight saddle rails
- Narrow upper cradle increases the amount of forward/back saddle adjustment
- Tilt Adjustment 6° up 12° down with Zero offset
$125.95
Carbon seatpost with a proven low-profile, 2-bolt clamp that won't bottom out on the saddle.
- Low-profile clamp reduces stress on lightweight rails
- 2-bolt design securely holds the saddle in place and is easy to adjust
- Offset: 25mm
- Clamp Style: Standard Rails
- Material: Carbon
$250.00 - $449.99
This replacement seatpost for the Tarmac SL7 ensures the perfect fit with two different setback options: 0mm and 20mm.
- FACT carbon construction and aerodynamic profile compatible with the 2021 Tarmac SL7.
- Setback: 0/20mm.
- Sleek Di2 integration hides the Di2 junction box inside.
- Cylindrical aluminum head assembly adjusts fore-aft and tilt with an easy-access single bolt.
$359.00 - $399.00
- LEV INTEGRA'S internally routed cable significantly cleans up the look of your bike.
- With shifter cables, brake lines and lock out cables clamped and zip tied to your carbon fiber piece of art, mountain bike frames have begun to look like an IT guy's fantasy.
- Clear the clutter while benefiting from legendary LEV technology – now available in 175mm travel.
$70.00
The Salsa Guide Deluxe Seatpost is premium aluminum: lightweight, strong, and drama-free. Count on it to be there when you need it.
- 2014 Aluminum shaft
- Two-bolt head
$104.00
The Guide Carbon Seatpost features a highly adjustable two-bolt head design, while remaining lightweight, durable, and supportive when you need it most.
- Unidirectional carbon fiber shaft
- Bonded Aluminum two-bolt adjustable head
- Offset design
$205.00 - $211.00
We designed the Tall & Handsome with strength and elegance in mind, but also to be super easy to setup and adjust. Like all PAUL components, it’s built to the highest standards for tolerance, function, reliability, and ease of use. Machined by us here in sunny Chico, California.
- Nice looking seatpost is built to the highest standards for function and ease of use
- Head and shaft are made from a special high strength 2024 aluminum alloy
- Two bolt head offers roughly 15 degrees of tilt adjustment
- 26mm clamp setback. 320g
- Made in the USA
$83.95
Now available with the iconic high-polish silver finish, the Ritchey Classic Zero seatpost features the same Zero post head and zero setback as the original Zero post. Inspired by life, built to last, and providing a classy aesthetic, the Classic Zero offers no-slip saddle engagement and high adjustability by securing the rails with fore and aft bolts. Whether you're cruising along rough gravel roads, remounting after running a section of slop on the 'cross course, ripping some sublime singletrack, or out on an epic road ride, the Classic Zero seatpost keeps your saddle exactly where you want it.
- Material: 6061 alloy
- Offset: zero
- Saddle clamp: 2-bolt fore/aft
- Saddle clamp torque: 7Nm (max)
- Seat collar torque: not specified for seatpost—follow frame/seat binder specification
- Weight: 290g (27.2 x 400mm)
$92.99
FSA's Afterburner is a tough, lightweight seatpost that works great on road and mountain bikes. Its 1-piece 3D-forged aluminum construction makes it strong and stable while remaining light. And, it's super easy to adjust thanks to the convenient 2-bolt clamp.
$107.95
Whether it's a cross remount, an unexpected pothole, or a rough line down the trail, the WCS Zero post will not relinquish its position. Featuring a confidence-inspiring extra-secure fore/aft bolt system, the Zero post is second-to-none in ease of installation and fit adjustment.
- Fore/aft adjustment bolts for precision adjustment and secure clamping
- 3D Forged 2014 Alloy
- Offset: Zero
- Cradle: Standard saddle rail clamp
$309.00
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.
Performance Elite Transfer Posts retain the same internals, diameter options, drop options, shortened stack heights, new patent-pending head design and proven internals as the Factory Series but have a black anodized upper.
- 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
- Remote lever sold separately
- 0mm offset
$859.00
For over a decade, FOX has led the way in dropper post innovation. The latest iteration, the Transfer Neo, takes it even further with a longer drop, lower stack height, greater tire clearance, and faster actuation, all powered by the new Neo wireless protocol. The Neo wireless system is designed to be over 100x faster than Bluetooth, delivering near-instantaneous response with virtually zero latency. Coupled with the 2025 Transfer’s incredibly robust internal sealing design, adjustability, and proven durability, Transfer Neo truly rises above.
- Fastest actuating wireless dropper on the market, and ultra-low latency makes micro-adjusting your seat height to suit varying terrain super precise
- 47mm stack height (only 11mm more than a standard Transfer) and optimized battery placement for better tire clearance
- FOX-specific battery provides 30 to 40 hours of battery life, depending on frequency of dropper post actuation, with 1.25 hr to 1.5 hr charge time using the included dock and USB-A to USB-C cable
- Fully supported by the FOX Bike app. Riders can quicky access an overview of Transfer Neo components, download firmware updates, and activate useful features like Bike Park Mode, Transport Mode, and monitor service interval tracking
- Wireless lever is designed to be as familiar a feeling as possible. A rubber-coated thumb pad mimics the texture and distance from the handlebar of a regular Transfer lever, but with a shorter, 6x lever throw reduction for smoother operation
- Lever features pairing buttons and LED indicator, utilizing a CR2032 battery with a 12-month life and tool-free replacement
- Standard 22.2mm, Matchmaker and I-Spec EV clamping options included with post
- Schrader valve on the top of the post, making for easy pressure adjustments to suit terrain or rider preference, or to compensate for pressure loss over time
- Transfer Neo has the same sleek new head design as the mechanical Transfer, providing ultra-low stack and bullet-proof 2-bolt security and infinite angle adjustment
$859.00
For over a decade, FOX has led the way in dropper post innovation. The latest iteration, the Transfer Neo, takes it even further with a longer drop, lower stack height, greater tire clearance, and faster actuation, all powered by the new Neo wireless protocol. The Neo wireless system is designed to be over 100x faster than Bluetooth, delivering near-instantaneous response with virtually zero latency. Coupled with the 2025 Transfer’s incredibly robust internal sealing design, adjustability, and proven durability, Transfer Neo truly rises above.
- Fastest actuating wireless dropper on the market, and ultra-low latency makes micro-adjusting your seat height to suit varying terrain super precise
- 47mm stack height (only 11mm more than a standard Transfer) and optimized battery placement for better tire clearance
- FOX-specific battery provides 30 to 40 hours of battery life, depending on frequency of dropper post actuation, with 1.25 hr to 1.5 hr charge time using the included dock and USB-A to USB-C cable
- Fully supported by the FOX Bike app. Riders can quicky access an overview of Transfer Neo components, download firmware updates, and activate useful features like Bike Park Mode, Transport Mode, and monitor service interval tracking
- Wireless lever is designed to be as familiar a feeling as possible. A rubber-coated thumb pad mimics the texture and distance from the handlebar of a regular Transfer lever, but with a shorter, 6x lever throw reduction for smoother operation
- Lever features pairing buttons and LED indicator, utilizing a CR2032 battery with a 12-month life and tool-free replacement
- Standard 22.2mm, Matchmaker and I-Spec EV clamping options included with post
- Schrader valve on the top of the post, making for easy pressure adjustments to suit terrain or rider preference, or to compensate for pressure loss over time
- Transfer Neo has the same sleek new head design as the mechanical Transfer, providing ultra-low stack and bullet-proof 2-bolt security and infinite angle adjustment
$275.00
This is the first seatpost that’s compliant AND aerodynamic—a total win, win. We initially developed the Pavé seatpost for the all-new Roubaix, and it’ll make a fantastic addition to your Tarmac SL6. Of course, it’s also designed to make fine-tuning your saddle position a breeze with a single-bolt adjustable head and two setback options.
- FACT carbon construction paired with a D-shaped seatpost that's compatible with the 2020 Roubaix and Taramc SL6.
- Engineered to have the saddle move in a perfect arc, aka a back & downward motion.
- Setback: 20mm/0mm
- Cylindrical aluminum head assembly adjusts fore/aft and tilt with a single bolt.
- Length: 380mm/450mm
- Approximate Weight: 209g
$450.00
This replacement seatpost for the Tarmac SL7 ensures the perfect fit with two different setback options—0mm and 20mm.
- Cylindrical aluminum head assembly adjusts fore-aft and tilt with an easy-access single bolt.
- FACT carbon construction and aerodynamic profile compatible with the 2021 Tarmac SL7.
- Setback: 0/20mm.
- Sleek Di2 integration hides the Di2 junction box inside.
$350.00
This replacement seatpost for the Tarmac SL8 ensures the perfect fit with two different setback options—0mm and 20mm.
- FACT carbon construction and aerodynamic profile compatible with the 2024 Tarmac SL8.
- Setback: 0/20mm.
- 20mm offset: 2-bolt micro-adjust clamp with 46mm saddle rail cradle enables an effective offset from 0mm to 20mm.
- 0mm offset: Cylindrical aluminum head assembly adjusts fore-aft and tilt with an easy-access single bolt.
$129.00
- Eten-I rounds out the lower end of the KS internally routed dropper post spectrum with a post that is perfect for new riders just getting used to the idea of on-the-fly seat height adjustment or more experienced riders looking for a value-priced solution.
- Eten-I uses the same head and cartridge as the Eten Remote but moves the cable interface to the bottom of the post for compatibility with frames accommodating internally routed cables.
$315.00
Get the DownLow.
Our DownLow dropper post is an infinitely adjustable, easily serviceable, air/hydraulic unit with a sweet cable remote. It goes up. It goes down. You need one.
Where it thrives:
Challenging trails, up and down hills
What it's built for:
Handling, confidence
Highlights:
- 31.6 diameter
- Alloy construction with slot key bushings and wiper seals
- Preset airspring for no-fuss setup
$695.00
The new Reverb AXS XPLR dropper post delivers more control, confidence, and fun on gravel roads everywhere. Getting the saddle out of the way means more room to move, saving you from awkward maneuvering and sketchy descents. We created an all-new design complete with lightweight air-only internals featuring built-in compliance we call ActiveRide. It's like travel for your saddle. Enabled by SRAM AXS technology, Reverb AXS XPLR is part of the ultimate personalized cockpit.
- New 27.2mm Reverb AXS XPLR delivers more control, confidence, and fun for gravel
- ActiveRide—Air only internals provide a fully rigid top-out position. With the touch of your AXS controller, you've got built-in compliance to ensure comfort and control over the roughest sections of gravel
- Two travel options to choose—50mm or 75mm
- Saddle clamp options compatible with 7x10 oval carbon rails.
- Seat post length includes 400mm and 350mm (50mm drop only)
- AXS Technology allows rider customization via the AXS Mobile App
- AXS handlebar controls (drop or flat bar)
- Shared battery with all other SRAM AXS enabled components
- System is completely waterproof and dustproof to IP69K—take it anywhere
- SRAM AXS battery and charger included
SPECIFICATIONS:
- TRAVEL: 50mm, 75mm
- POST DIAMETER: 27.2mm
- POST LENGTH: 350mm, 400mm
- REMOTE: AXS Controller Sold Separately
- SADDLE RAIL COMPATIBILITY: Round/Oval (7x9 & 7x10), Round/Oval (7x9)
- WEIGHT (G): 562
- WEIGHT BASED ON: 75mm Travel 400mm Length W/O battery - Battery 25g
$309.00
The Transfer rises again with a full redesign, making it smoother and more robust than ever before. With easier actuation, enhanced serviceability and greater tunability, the 2025 Transfer gets an overall edge over the competition. Now travel adjustable in 5mm increments and available up to 240mm of drop. The best-of-the-best technology is available in the Factory Series models, featuring buttery smooth, ultra durable Genuine Kashima Coat.
- Fully redesigned hydraulics of the 2025 Transfer feature an entirely new sealing system for enhanced durability. The full-service interval is now at 300 hours, which most riders can do with the tools in their garage
- Metal-backed EKONOL (PTFE/Teflon) bushings to achieve tight tolerances and the lowest possible friction to allow easier actuation
- The placement of the new air chamber allows riders to recharge and adjust air pressure through a Schrader valve under the seat clamps. Tune to your preferred return speed or adjust for environmental factors such as altitude or ambient air temperature. A metal valve cap with O-ring (the same we use on FOX suspension) ensures zero air leaks through the valve
- Low stack height and 2-bolt clamp design that riders loved from the previous Transfer, while improving aesthetics and keeping weight to a minimum
- Wider range of options, with up to 240mm of drop, and adjustable travel (up to 25mm in 5mm increments)
- 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
- Remote lever sold separately
$299.00
The all-new Highline delivers infinite adjustment, smooth feel, and easy installation for any bike.
Details
- Shorter insertion length to fit more bikes
- Premium Trelleborg sealing
- Exclusive Igus LL-glide bearings and keys
- 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 quick-connect head
- Remote sold separately
$325.00
ENVE's proven twin-bolt seatpost design refined for the modern road bike with seatpost battery integration capabilities.
- Material: Carbon Fiber
- Hardware Material: Titanium
- Saddle Angle Adjustment: 0 – 27 degrees
- Saddle Rail Compatibility: 7x10mm Carbon Rails / 7mm Round Alloy Rails
- Torque Spec, Saddle Rail Clamp Bolts: 5.5Nm
- Torque Spec, Seatpost Collar: Determined by your Frame manufacturer/Seatpost Collar
- Weight: 210g (25.4mm), 204g (27.2mm), 204g (30.9mm), 204g (31.6mm)
$107.95
The redesigned Zero post offers no-slip saddle engagement and high adjustability by securing the rails with fore and aft bolts. Whether you're hitting rough singletrack or remounting in a hurry, this ensures the saddle stays exactly where you want it.
- Material: 2014 alloy
- Total length: 400mm (including 100mm of minimum insert)
- Saddle clamp: 2-bolt fore/aft
- Saddle clamp torque: 7Nm (max)
- Seat collar torque: not specified - follow frame/seat binder specification
- Weight: 240g (27.2x400mm)
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