Seatposts

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

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.

Dimension Suspension Seatpost - Clamp Style: Std Rails - Diameter: 27.2mm - Length: 350mm - Material: Aluminum - Max Height: 255mm - Min Height: 130mm - Offset (mm): 0mm - Seatpost Type: Suspension - Travel (mm): 35mm - Weight: 450g

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

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

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)

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

- 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 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

The EA70 AX dropper post joins our AX series of horizon-expanding drop bar gravel and adventure componentry. Features include a reliable cartridge design, internal routing and availability in two lengths - 350mm and 400mm. Our EA70 AX post brings 50mm of drop, allowing for fitment on everything from your wide-tired CX bike to modern gravel bikes. - Can be paired with drop bar optimized levers or drop bar compatible shifters - Cable attaches from either direction for compatibility with all dropper levers - Two lengths for better fitment on dropped top-tube gravel bike frame designs - Finish: Black Ano - Weight: 350mm - 400g - Head Offset:0mm - Drop: 50mm - Quill Sizes: 27.2mm Diameter - Material: EA70 Alloy

The patented Dual-Position Seatpost lets you ride a true aero position on a standard road bike, without sacrificing your normal road position. Along with the Quick-Release Aerobars it provides the benefits of a triathlon or time trial bike without the additional bike or price tag. The key to riding powerfully and comfortably is proper saddle position and since you can switch between road and aero positions on-the-fly while riding, you can always choose the best riding position for every part of your ride. Benefits: - Transform your current bike—switch from road to aero position on the bike you already own - Ride with ease—no more time and energy wasted switching from road bike to aero bike Details: - Linkage design lets you switch between road and aero positions seamlessly while riding - Choose the best position for every single climb, flat, or descent - Maintain proper leg extension in both road and aero positions - Saddle moves forward 50mm, corresponding to approximately 4 degrees of effective seat tube angle change - Aero road riding position optimized for proper handling on a road bike - Simple, durable two-bolt saddle clamp allows infinite saddle tilt adjustment and reliable clamping - 16mm rearward setback (road position) - Check technical specifications for compatibility

Bike fit is important - a bike should feel like an extension of the body, especially when dialed in. Getting just the right saddle position is second-to-none when putting out power over long miles is concerned. Ritchey Link posts offer two clamp positions for greater adjustability in dialing in the right fit. - 7050 Alloy 2pc Press Fit Head - 15mm adjustable setback - Reversible clamp for greater fore/aft adjustability - Finish: BB black

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

- PIVOTAL Compatible - Ultra-light 6061 forged alloy construction - Reinforced wall construction - Setback: 0mm

Such Great Heights The budget-friendly Aeffect R Dropper Post is a rock-solid, shred-ready entry into the dropper post world. Designed right to keep you on the trails and out of the shop as much as possible, you'll wonder how you ever rode without one. It's What's Inside That Counts The brains of this dropper post are an extremely reliable cable-actuated hydraulic cartridge that delivers infinite adjustment within its travel. Simple Saddle Setup A user-friendly zero-offset seatpost clamp really cuts down on the time between setting up your saddle and ripping down the trail.

Take the edge off. The SAVE Carbon seatpost has been proven in the worlds most challenging bike races. Light, comfortable and incredibly functional. Where it thrives: The open road, up and down hills What it's built for: Comfort, control Highlights: - Ultralight carbon - Subtle compliance = comfort - Di2 internal battery compatible

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

The XC companion. Everything a full-carbon XC seatpost should be, light, strong and incredibly functional. Where it thrives: Up and down hills, challenging trails What it's built for: Stability, lightweight, compatibility Highlights: - Compatible with round, oval, and both metal and carbon rails - 190g, 31.6 diameter, 0 degree offset - Reflective rear decal

Integrates seamlessly into frame. Genuine replacement parts Keep your Speed Concept looking fresh. - Only compatible with Speed Concept - Flippable head

The 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. RockShox created a reliable wireless electronic dropper post 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. - AXS technology allows for customization to an individual rider’s liking via the AXS Mobile App - Lower friction IFP allows for faster actuation of the post and less force needed - Vent Valve Technology allows for super simple service if the need arises without any disassembly of the post - Includes battery and charger, shared with all other SRAM AXS-enabled components - Required AXS Controller Sold Separately - System is completely water and dust proof to IPX7

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

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

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

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)

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 new SL-K SBS SB0 seatpost is lighter and stiffer than ever. Using a UD carbon shaft with a bonded alloy head and a sophisticated SBS clamp design, we can achieve what we believe is the finest SL-K seatpost yet. Available with a polymer Di2 battery holder. - UD carbon shaft with bonded alloy head - Forged alloy "SBS" 2-bolt head - Chromoly hardware - 20mm setback - Fits 7mm standard rails and 7x9mm oval rails - 221 grams

- Internal Routed, Infinitely Adjustable Design - Simplistic - Fully Sealed Alloy Cage / Stainless Tip Cartridge System - Durable 3D Forged Head - With 7075-T6 Forged Clamp - Featherlight Thumb Actuation - Industry Leading - Intelligent Keyway System - Ensures Minimal Play - Easiest Installation - Cable Head Attaches At Base - Cold Weather Approved - Tested Down To -20C. - 1x Lever included - With Premium Jagwire Lex Slick Housing, Stainless Cable and Hardware

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

- Defined suspension on rough surfaces - Lightweight and comfortable construction - Uncompromised road cycling performance Unique comfort, lightweight and aesthetically modern: The Ergon leaf spring seatpost revolutionizes comfort on the road bike, all-road and gravel bike. Rough roads and gravel are smoothed out by the two carbon fiber VCLS leaf springs, while the saddle angle remains unchanged by the parallel displacement of the two leaf springs and the floating flip head. The precise and highly sensitive tuned leaf springs work so well that they do not affect the performance of the bike or cyclist. The CF Allroad Pro Carbon Setback model offers a 25mm of setback

Built without compromise, the Highline 11 combines premium materials with our tried-and-trusted hydraulic IFP cartridge system, resulting in our lightest dropper post yet. Featuring a carbon quill, carbon head, and titanium hardware, the Highline 11 sheds up to 100 grams over our Highline 7, all without compromising on any features or construction. The post maintains all of your favorite elements such as infinite adjustment and a reliable hydraulic IFP. Built with every rider in mind, from cross country racer to weekend enduro rider the Highline 11 is available in travel lengths ranging from 60mm to 170mm allowing the rider to choose the perfect post for them.