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Seatposts

Inventory varies across our stores. Please call to ensure the product you are looking for is in stock at the location you plan to visit before stopping by. You can always buy online for in-store pickup.

Belmont Wheelworks - 617.489.3577 | ACE Wheelworks - 617.776.2100

Sunlite Alloy 350mm Pillar Seatpost
$14.99
- Forged aluminum - 7/8-inch seat-clamp diameter - 165 grams
Black Ops Cromo Seatpost
$17.99
- Chromoly construction - Classic BMX design - Material: Cro-Mo - Setback: 0mm
Kalloy 602 Seatpost
$18.99 - $34.99
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.
Origin8 Compe-Lite Seat Post
$24.99
Choose from the many colors and add style to your ride with Origin-8's Compe-Lite Seat Post. It's crafted from light and durable 6000 aluminum, and features a single-bolt adjustable clamp for easy seat installation and fine-tuning.
Sunlite Alloy 350mm Seatpost
$24.99 - $29.99
• Forged aluminum • Integrated micro-adjust seat clamp
Haro Haro Seat/Post Combo Baseline Angled
$27.99
FEATURES - 5° seat angle ideal for 20" wheel bikes - Medium padding thickness ideal for all styles of riding - 3 Panel PHU leather design - Embossed Baseline logo - 200mm long aluminum post
Origin8 Pro Fit Alloy Seat Post
$29.99 - $35.00
Origin-8's Pro Fit Alloy Seat Post is made of light and durable forged aluminum that's been anodized and laser etched for a custom look. It also features an adjustable 2-bolt clamp that holds fast and lets you easily dial in your seat position. And, this fine post comes in a variety of diameters to fit almost any bike.
Velo Orange Grand Cru Seatpost
$54.99
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.
Ritchey Classic 2-Bolt Seatpost
$59.99
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
TruVativ Stylo T30 Seatpost
$64.00
TruVativ's Stylo T30 Seatpost is constructed with a 1-piece 3D-forged 7050 aluminum tube to be light and strong. The sturdy dual-bolt head provides loads of adjustability so you can fine tune your saddle position.
Ritchey Classic Post
$79.95
Ritchey's Classic Post showcases a cool high-polish silver finish that looks good on any bike, modern or retro. The proven 2-bolt design gives you balance between a vise-like grip, strength, weight and adjustability. The low-profile clamp reduces stress on lightweight rails and uses bolts that are oriented to the axis of the rails for greatest contact area with your saddle.
Cane Creek Thudbuster ST Suspension Seatpost
$79.99
Building on Thudbuster's proven parallel linkage technology, Cane Creek has completely re-designed the seatpost for increased durability, a higher rider weight limit, additional suspension travel, as well as ease of use through tool-free elastomer change and a single-bolt seat clamp design. Designed specifically with the rigors of e-bikes and daily commuting in mind, the Thudbuster ST (short travel) has 50mm of travel to significantly diminish shocks and impacts from broken pavement, cobblestones or any other mixed surfaces. - Forged aluminum post with 50mm of travel - Single bolt fastening and angle adjustment design - Threaded, serviceable, hard anodized aluminum axles flanged PTFE bushings - Medium firm elastomer pre-installed from the factory. Extra Soft, Soft, Firm and Extra Firm elastomers sold separately - Maxium rider weight: 330lbs
Race Face Turbine Seat Post
$89.99
- 3D forged from 2014 heat-treated aluminum for optimal strength to weight ratio - Race Face's triple butting design maintains strength in critical areas while reducing overall weight - The tube is anodized & shot peened for increased fatigue life - Updated Hunter head design for easy saddle installation and full adjustability - 3D forged from 2014 heat treated aluminum with triple butted mast - Thumbscrew tightening system allows quick dial-in of the saddle angle by hand - Angled clamp bolts allow easy tool access for hassle free adjustment - Rubber grommet seals the post to prevent water from entering seat tube - Accepts 7/8mm CrMo/alloy and 7/9mm carbon rails. 260g (30.9mm)
Ritchey WCS 1-Bolt Seatpost
$89.99
- Patented SideBinder clamp design uses a single 5mm bolt for quick, secure adjustment - Precision forged alloy clamp assembly for strength - Low-profile head for optimal saddle clearance and sleek lines - Wide saddle clamp reduces stress on lightweight saddle rails - Interchangeable clamps provide compatibiliy for all popular rail sizes - 3D Forged TR741 Alloy - 20mm Offset - 7x7mm saddle rail clamp included - Saddle Clamp Torque Spec: 12Nm - 195g (27.2/350)
Ritchey WCS 1-Bolt Seatpost
$89.99
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)
Ritchey WCS 1-Bolt Seatpost
$89.99
Lighten up your road rocket with Ritchey's WCS 1-Bolt Seatpost. Forged aluminum makes this seatpost svelte and the 1-piece design makes it extra durable. Plus, Ritchey's single-bolt SideBinder clamp uses precision forged aluminum hardware, allowing you to cut weight even further! And, that simple clamp makes installation and adjustment a breeze, too.
Easton EA70 Zero-Offset Seatpost
$90.00
A sweet upgrade for your ride, Easton's EA70 seatpost is a proven staple of strength and reliability. It's built with Easton's TaperWall technology, which customizes the thickness of the aluminum walls to optimize strength without excess material. And, the integrated two-bolt clamp allows for precise, easy seat adjustments.
Zipp Service Course Seatpost
$98.00
Zipp's Service Course Seatpost is stiff, light, has excellent gripping power, and the low-profile clamp allows you to slide the saddle extra far back on the rails. The shaft and head are 3D forged from a single piece of light, tough 7075 aluminum, and the clamp even features downward-facing bolts for micro-adjustments to achieve that perfect fit.
Whisky Parts Co. No.7 Seatpost
$99.99
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
Thomson Elite Seatpost
$114.99
Thomson's Elite Seatpost is perhaps one of the most recognizable bicycle components in the world and it has earned its reputation as a super-strong, light and reliable beauty. With roots in the aerospace industry, Thomson builds the post with a tough and light 7000-series aluminum body, an elliptical extrusion that adds strength and stiffness, and a head and seat clamp forged and machined from a block of aluminum to eliminate any possible weak areas. Plus, its simple-to-use 2-bolt seat clamp allows speedy, infinite and secure seat angle adjustment from minus 5 degrees to plus 29 degrees. Upgrade your favorite ride to a Thomson seatpost and start riding in style.
Thomson Elite Setback Seatpost
$114.99
Thomson's Elite Setback Seatpost is perhaps one of the most recognizable bicycle components in the world and it has earned its reputation as a super-strong, light and reliable beauty. With roots in the aerospace industry, Thomson builds the post with a tough and light 7000-series aluminum body, an elliptical extrusion that adds strength and stiffness, and a head and seat clamp forged and machined from a block of aluminum to eliminate any possible weak areas. Plus, its simple-to-use 2-bolt seat clamp allows speedy, infinite and secure seat angle adjustment from minus 5 degrees to plus 29 degrees. Upgrade your favorite ride to a Thomson seatpost and start riding in style.
KS eTEN Dropper Seatpost
$129.00
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
3T Zero25 Team Stealth
$160.00
Zero25 is a lightweight, universal seatpost with a twist: it's two seatposts in one. The two clever, reversible saddle rail clamps transform the post from zero saddle setback to 25mm setback. All that's needed is to flip the clamps from one side of the seatpost head to the other and the offset changes. No more problems with getting the wrong seatpost or needing another one when you change the type of saddle you use—it now takes 30 seconds to transform your seatpost. And, the best news is that, despite the double functionality, the Zero25 is even lighter than our previous seatpost. Zero25 can handle any type of seatpost rails, including round rails and oval-shaped carbon rails.
Cane Creek Thudbuster Seatpost
$171.00
Cane Creek's Thudbuster Seatpost adds comfort to any hardtail bike. Using a parallel-linkage design, the Thudbuster moves down and back at the same rate as the rear wheel moves forward and up when you hit a bump, helping you maintain control. The post and linkage is made of aluminum with Teflon coated steel bushings so you know it's built to last. And, the interchangeable elastomers (sold separately) can be easily exchanged to your preferences.
PNW Components Rainier Gen 3 Dropper Post
$179.99
In the bike industry, fashion is determined by the mud on your shorts and dust on your shoes. Yet, there is something undeniably satisfying about a freshly tailored suit, so we designed the all new Rainier Dropper Post to add that custom-tailored feel to your bike. The past version of this post is known for its consistency and reliability. While maintaining those qualities, this new iteration focuses on fitting more bikes and providing refined adjustability for the rider. - Tool-less Travel Adjust - Shortened Overall Length - Sealed air cartridge - Internal cable routing - 3-year warranty!
Ritchey WCS Carbon 1-Bolt Seatpost
$209.99
- Patented SideBinder clamp design uses a single 5mm bolt for quick, secure adjustment - Precision forged alloy clamp assembly for strength - Low-profile head for optimal saddle clearance and sleek lines - Wide saddle clamp reduces stress on lightweight saddle rails - Interchangeable clamps provide compatibility for all popular rail sizes - Carbon Monocoque Construction - 7x7mm saddle rail clamp included - Saddle Clamp Torque Spec: 12Nm
Ritchey WCS Carbon 1-Bolt Seapost
$249.95
The smooth and sleek design of the patented SideBinder clamp makes the Ritchey WCS Carbon 1-Bolt a sophisticated choice to finish off a performance-oriented build. The beauty of this carbon masterpiece lies in the simplicity of the design of the wide clamp head. Secured with a single 5mm bolt, this post offers ease of adjustability while relieving stress on saddle rails. - Monocoque carbon construction - Available in 27.2 & 31.6mm diameters - Available in 350 and 400mm lengths - 7x7mm saddle rail clamp included - Interchangeable clamps available for all different carbon rail sizes - Saddle clamp torque spec: 12Nm - Matte UD carbon finish - 185g (27.2/350)
Kinekt 2.1 aluminum seatpost
$249.99 - $279.99
The KINEKT aluminum 2.1 Seatpost is now sleeker than ever. With more pre-load capability, KINEKT effectively isolates your body from surface vibrations and impacts. This isolation improves comfort, control, and confidence, which ultimately leads to a more enjoyable ride. All posts come with two extra springs so you can mix and match, creating a custom experience. Please note, our spring color has changed a bit. All springs are now grey with a colored stripe corresponding the specific size. Features Include: Interchangeable springs Adjustable pre-load bolt Available in 27.2mm, 30.9mm, 31.6mm diameter* Available in Short (350mm) or Long (420mm) All 2.1 models come with two extra springs so you can have the ability to customize your ride even more!
OneUp Components Dropper Post - V2
$249.99
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
Ritchey Superlogic 1-Bolt Seatpost
$259.99
The Superlogic 1-Bolt Seatpost is one of the lightest, toughest seatpost designs in the world. A patented SideBinder clamp design uses a single 5mm bolt for quick, secure adjustment, while the low-profile head delivers optimal saddle clearance and sleek lines. The Superlogic 1-Bolt Seatpost features a precision forged alloy clamp assembly for strength, and a wide saddle clamp reduces stress on lightweight saddle rails. Interchangeable clamps provide compatibility for all popular rail sizes. - Material: superlight carbon fiber - Total length: 300, 350, 400mm (including 100mm of minimum insert) - Offset: 25mm - Saddle clamp: 7x7mm saddle rail clamp included (interchangeable clamps available for carbon rail saddles) - Saddle clamp torque: 12Nm (max) - Seat collar torque: 6Nm (max) / 7Nm (max) for Ritchey steel frames - Weight: 148g (27.2x350mm) - Color: matte UD carbon finish
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