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

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 Salsa Guide Carbon Seatpost is lightweight, durable, and supportive when you need it most. - Carbon shaft - Bonded Aluminum two-bolt head

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

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

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.

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

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

BSD Seatposts

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.

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.

NCX Suspension Seatpost - Alloy construction - Coil spring with preload adjuster - Brass pivot bushings

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.

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.

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

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.

Saddle Up Based on the latest FOX Transfer platform with its proven performance, the new Turbine R Dropper Post features a slick seat clamp design for reduced stack height and a 25g weight savings from the previous version. This post will treat you right. Less is More New, patent-pending FOX seat clamp design dramatically reduces stack height, allowing you to fit more travel into a shorter space. Full Coverage Proven FOX-designed internals provide infinite height adjustment, but perhaps more importantly—even easier serviceability. No-Sweat Installation Mounting a saddle and getting your saddle position dialed is easy thanks to the user-friendly seatpost clamp. Brilliantly Uncomplicated Uses standard shifter cable and housing. You know, just to keep things real. Oh yeah—it's also 25g lighter than the previous version. - Compatible with Matchmaker - Includes post only - Mechanical lever actuation - Head Type: Zero Offset—2 Bolt - Weight: 520g

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

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)

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

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

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

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 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

- RaceFace Ride XC Seatposts made of forged AL-6061 - Forged, anodized and shot peened AL-6061 mast - 2-bolt head holds saddle securely while retaining easy adjustability - Weight: 295 g

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

The proven 2-bolt design on this classic provides a class-leading balance between strength, weight, and adjustability. The two-bolt design is easy to adjust and holds tight. Its low profile clamp reduces stress on lightweight rails and won't bottom out, and the bolts are oriented to the axis of the rails for the greatest contact area with the saddle. The Classic also features Ritchey's 'Classic' high-polish silver finish. - Material: 2014 alloy - Total length: 350mm (including 100mm of minimum insert) - Saddle clamp: standard - Saddle clamp torque: 13Nm (max) - Seat collar torque: not specified - follow frame/seat binder specification - Weight: 260g (27.2x350mm) - Color: high-polish silver

WCS 1-Bolt mast topper for round ISP, compatible with 1-Bolt alloy clamp kits. - Material: 2014 alloy - Saddle clamp: sold separately - Seat collar torque: 5Nm (max) - Color: high-polish black

Sunday Bikes pivotal seatpost.