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Seatposts
$199.50 - $229.50
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
$269.99
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.
$18.99 - $19.99
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.
$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
$299.00 - $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
$19.99 - $30.00
- Alloy seatpost with alloy bracket
- Length: 400mm
- 20mm offset
$24.99 - $28.00
Dimension Two-Bolt Seatposts provide a sturdy and durable saddle perch for cross country and all-mountain riding in three diameters, rigorously tested to ISO 4210 Mountain standards.
- Constructed with AL-6061-T6 aluminum
- Shot-peened finish
- 0mm offset
$285.00
- 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
$285.00
- 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
$172.00
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
$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
$199.99
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
$379.95
The Wolf Tooth Resolve Dropper Post is the first dropper post to use a self-bleeding cartridge. It has the shortest stack height of any dropper post on the market, has a short insertion depth, is one of the lightest dropper posts, and is completely serviceable at home.
- Self-Bleeding Resolve Cartridge: At the heart of Resolve Dropper Post is a self-bleeding cartridge that removes air from the fluid chamber with every actuation. All dropper posts can get air in the chamber, which leads to sag and squish. Resolve Dropper Post is the only dropper post that purges air from the chamber, which means you'll never need to buy a new cartridge as you do with all other dropper posts.
- Shortest Stack Height: The shortest stack height of any dropper post means that Resolve can get your saddle lower than any other dropper post. The lower your saddle, the more room you have to maneuver your bike on drops and techy descents.
- Weight and weight per travel is equal to the best: Resolve Dropper Post is one of the most lightweight dropper posts on the market when it comes to grams per millimeter of travel. It's as much as 26% lighter than other dropper posts of the same travel size.
- Short Insertion Length: When a dropper post has a short insertion length, longer travel options are unlocked for more bikes. A short insertion length is vital for smaller bikes, frames with curved seat tubes, and frames with seat tubes that have bottle bosses.
- Travel Reduction with Spacers: The travel length of your Resolve dropper post can be customized in order to suit your bike and saddle height. Spacer kits are sold separately or those who would like to have the adjustment made later by their local shop mechanic. If you are comfortable with working on suspension components, you may be able to complete the installation yourself.
$70.00
The Whisky No.7 Seatposts are made from the highest quality materials to be durable, lightweight, and comfortable. Whether you’re remounting during the cross race, or abusing them on the trail, you can trust Whisky’s seatposts. Available in different diameters and offsets.
- Convenient finger adjustment of saddle angle
- Unidirectional carbon shaft, forged aluminum head
- No rider weight limit
- 5 year Whisky warranty
- ASTM Condition 3 - For rough off-road riding and jumps less than 24"
$105.00
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
$39.99
WeThePeople's Team Pivotal seatpost is made from 6061 aluminum for a perfect blend of strength and weight savings. It works with all Pivotal seats and it's 200mm long for plenty of adjustability.
$55.00
The Velo Orange Grand Cru seatpost is made from one piece of aluminum, internally ovalized to trim weight. The Grand Cru seatpost’s head is integral with the post – not pressed on – for great strength and weight savings.
0mm Setback: Zero-setback/offset posts are commonly used on mountain bikes and by some bikepackers. The Grand Cru zero setback post uses a one-bolt, ergonomic side-adjustment mechanism for both saddle rail clamping and fore-aft adjustment.
30.2mm Setback: For riders who prefer the comfort of leather saddles but have found proper saddle placement difficult due the short rails on leather saddles Velo Orange offers the Grand Cru Long Setback with an ample 30.2mm of setback. This model uses a two-bolt design.
$479.95
Thomson Covert Elite Dropper Seatpost-31.6 150mm Black Internal.
We've set the bar with the Thomson covert black dropper post. It's designed around internal routing for clean installation and an updated shift style remote lever for effortless operation.
The Thomson Covert Dropper includes a new shifter oriented remote lever for easy operation. The cartridge-based system is designed to have the longest service life in the industry. If repair is needed, it's fast, affordable, and simple. Every part that makes up the Covert dropper is carefully chosen, and of the highest grade quality available.
- Custom made Norglide bearing bushings and Trelleborg O-Rings and seals
- Thomson saddle clamps and fasteners
- Motul Oil for durability and precision quality.
- The return speed is damped in the last 15mm of upward travel to be gentle on your seating area.
- 60mm (Ø27.2 only), 100mm, 125mm, 150mm of infinite travel.
- Passes ISO 4210 fatigue and strength tests for seat posts.
$43.99
• Aluminum
• Coil spring provides plush suspension
• Adjustable pre-load design
• Micro-adjust seat clamp
• 450 grams
$17.99
- Forged aluminum
- 7/8-inch seat-clamp diameter
- 165 grams
$33.99
• Aluminum
• Coil spring suspension
• Adjustable pre-load design
• Collar adjustment for play removal
• 7/8-inch seat-clamp diameter
$8.39 - $12.59
• Steel
• Polished-chrome finish
• 7/8-inch seat-clamp diameter
$190.00
Finding your rhythm can make or break your race. Our Control SL seat post puts you in an ideal position for high-output efforts and is easily adjusted thanks to the 2-bolt system letting you easily make micro-alignments for that dialed attack position—all while remaining feather light at 180g for XC riding and racing.
Its 30.9mm post diameter and 415mm length make the Control SL seat post a perfect match for the modern XC bike. Once your riding position is set, you’re focus is dialed on ride fast and efficiently —not your seat post.
- Material: High-modulus carbon fiber
- Length: 415mm
- Offset: 0mm
- Post Diameter: 30.9mm
- Seat Clamp: 2-bolt Micro Adjust with 46mm saddle rail cradle, Compatible with carbon and alloy saddle rails
- Bolts: Titanium
- Weight: 180g
- System Weight Limit: 275lbs / 125kg
$167.99
$225.00
25% Off
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
$250.00
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.
$250.00
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.
$250.00
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.
$300.00
- Aerodynamic FACT carbon construction that’s compatible with the 2019 Venge
- Sleek Di2 integration hides the Di2 junction box inside
- Cylindrical aluminum head assembly adjusts fore/aft and tilt with a single bolt
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