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Bike Seatposts & Bicycle Seat Post Components
Upgrade your riding position and overall comfort with premium bike seatposts from Carson City Bike Shop. Designed for road bikes, mountain bikes, gravel bikes, BMX bikes, commuter bicycles, and touring setups, this collection features dependable bicycle seatposts built for durability, adjustability, and smooth riding performance. We also offer seatpost shim options that help riders achieve the perfect fit between different frame and seatpost diameters.
Explore a wide selection of lightweight alloy seatposts, adjustable seat posts, suspension seatposts, micro-adjust models, seatpost shims, and replacement seatpost components from trusted cycling brands. Whether you need a bike seatpost shim to adapt a smaller seatpost to a larger frame tube or simply want to optimize your riding position, our collection provides dependable solutions for every cycling discipline.
Engineered for strength, stability, and precise saddle positioning, these seatposts and seatpost adapter shims help improve rider comfort, pedaling efficiency, and overall bike fit for both casual and performance-focused cyclists. Available in multiple sizes and materials, bicycle seatpost shims ensure a secure fit while maintaining proper alignment and long-term reliability.
Whether you're upgrading your bike for better comfort on long rides, improving riding posture, or replacing worn seatpost components, our bike seatposts and seatpost shim accessories are designed to provide reliable support and easy adjustment across a variety of riding styles and terrains.
From mountain trails and gravel adventures to road cycling and daily commuting, find the right bicycle seatpost, seatpost shim, and seatpost accessory to enhance comfort, control, and confidence on every ride.
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502 products
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From $36.99
• Fixed bolt seat clamp, simple yet elegant and reliable.
• The perfect finishing touch to your Chromag kit
• CNC machined in Canada
• 35mm clamp diameter
• Weight: 22g
Receives in 6 days.
$40.50
• SEATPOST LOWER HOSE BARB ASSEMBLY KIT - REVERB STEALTH A1-A2 (2011-2016)
• SRAM Model ID: SP-SPP-T-A0
Receives in 6 days.
From $386.99
• LEV CI takes rhythm from the trail and injects it straight into your soul.
• 65-175 millimeters of perfect drop are just enough to turn your ride up to eleven.
• A full unidirectional carbon mast routes our Recourse II Ultralight Cable System directly through your frame to our KGSL lightweight remote – a combination saving over 50g compared to our KG ALLOY remote and standard shift cable.
• The result is clean lines for you and your bike. LEV CI’s newly designed cable interface system is easier to setup and service while at the other end, a high compression-molded head connects LEV CI to your saddle.
• Our patented one-way roller clutch bearing and highly evolved seal collar keep LEV CI running smooth and free of side-play for thousands of miles and vertical feet.
Receives in 6 days.
From $265.49
• 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.
Receives in 6 days.
$325.00
ENVE has found that a dropper seatpost can enhance the gravel experience and that 40mm of drop is just the right amount for most gravel riding and racing. A dropper post allows the rider to lower their center of
gravity on descents which can result in greater control and therefore confidence. While designed primarily for gravel riders the G Series Dropper allows XC riders and racers a lightweight dropper with just the right amount of drop.
• 395 grams (can be trimmed for an additional 40 grams in weight savings)
• Mechanical actuation - Internal Routing Only
• 40mm of drop/travel
• 350mm length (Min Post Height: 140mm seat post clamps saddle rail
• 27.2mm diameter post (Includes shims for 30.9mm and 31.6mm posts)
• Fully serviceable, no special tools required
• Compatible with all cable actuated remote levers
Receives in 6 days.
$161.99
• Preload adjustable
• One-piece; very sensitive response through parallelogram movement
• 20mm travel
Receives in 6 days.
$11.69
• Neoprene cover to protect the Fourspring parallelogram
• Black
Receives in 6 days.
$134.99
• Preload adjustable
• Very sensitive response through parallelogram movement
• 36mm travel
• Aluminum
Receives in 6 days.
$8.99
• Short travel elastomer
• Visit Cane Creek's Tech Center for installation instructions
Receives in 6 days.
From $13.99
• Replacement elastomers for eeSilk+ seatposts
Receives in 6 days.
$7.99
• Long travel elastomer
• Visit Cane Creek's Tech Center for installation instructions
Receives in 6 days.
$229.99
• Performance suspension seatpost designed to add comfort and compliance on gravel and mixed-surface rides without adding unnecessary weight to the bike.
• 35mm travel
• Max rider weight 250lbs
• Includes medium (#5) elastomer. Other elastomers available.
• Min extension: 80mm, Max extension: 287mm
Receives in 6 days.
$214.99
• Increase the capability of your adventure rig with the EA70 AX Dropper post
• Reliable cartridge design
• Internal cable routing
• 50mm drop
• Can be paired with drop bar optimized levers or shifters
• Cable attaches from either direction for compatibility with all dropper levers
• Fits on everything from your wide-tired CXX bike to modern Gravel bikes
Receives in 6 days.
$23.39
• Alloy construction
• Length: 400 mm
• 20mm offset
• Easy single bolt seat angle adjustment
Receives in 6 days.
$40.50
• Compatible with most mechanically actuated dropper posts
• Intuitive ergonomics based on Transmission shifting
• Cable routing that is designed to pair with SRAM Stealth brakes, resulting in clean cables left and right.
• Cockpit tidying Shift Housing/Brake Hose clip included
• MMX compatible with three mounting options for best compatibility with E-MTB controls
• SRAM Model ID: RM-DL-A1
Receives in 6 days.
$479.95
• Applying four decades of expertise, Thomson has set the bar with the Covert dropper
• Custom made Norglide bearing bushings and Trelleborg O-Rings and seals
• Thomson saddle clamps and fasteners
• Motul Oil for durability and precision quality
• Return speed is damped in the last 15mm of upward travel to be gentle on your seating area
• Remote lever with 31.8mm clamp
• Passes ISO 4210 fatigue and strength tests for seat posts
Receives in 6 days.
From $21.99
• Refresh your Tellis post
• Kit includes trelleborg collar seal, bushing, lower bushing and keyways
Receives in 6 days.
$8.99
• With quick release
• Anodized aluminum
Receives in 6 days.
$54.99
• Replacement cartridge for Aeffect R dropper post
Receives in 6 days.
$20.99
• Neoprene cover offers protection for the suspension mechanism and elastomers
• Hook and look fastening for quick installation
Receives in 6 days.
$325.00
• Lightweight, easily adjusted, strong and comfortable the ENVE seatpost is equally at home on the trail as it is on the road
• Unique patent-pending twin bolt design making on the fly angle adjustments a breeze and ensuring that your saddle remains secured just where you want it
• Molded in one-piece from uni-directional carbon fiber to achieve lightweight, comfort, strength, and stiffness
• Includes cradles for standard round and oval saddle rails
• 204g
Receives in 6 days.
Frequently Asked Questions
Find answers to common questions about Bike Seatposts & Bicycle Seat Post Components.
What is a bike seatpost?
A bike seatpost connects your saddle to the bicycle frame and allows you to adjust saddle height for a comfortable, efficient riding position. Choosing the correct seatpost improves both comfort and pedaling performance.
How do I choose the right bike seatpost?
Select a seatpost based on your bike's required diameter, length, offset, and material. Always check your bike's specifications to ensure a proper and secure fit.
Are bike seatposts compatible with all bicycles?
Seatposts come in various diameters and lengths, so compatibility depends on your bike's seat tube size and saddle rail design. Be sure to verify the measurements before purchasing.
What materials are bike seatposts made from?
Bike seatposts are commonly made from aluminum, carbon fiber, or steel. Aluminum offers excellent durability and value, while carbon fiber provides lightweight performance and improved vibration damping.
What is the difference between a standard and suspension seatpost?
A standard seatpost provides a rigid connection between the saddle and frame, while a suspension seatpost absorbs bumps and vibrations for a smoother, more comfortable ride on rough terrain.
What is seatpost offset?
Seatpost offset, also called setback, is the distance between the center of the seatpost and the saddle clamp. It helps riders achieve the ideal riding position and proper bike fit.
Can I install a bike seatpost myself?
Yes. Most seatposts are easy to install using basic tools. Be sure to follow the manufacturer's torque specifications and use the appropriate assembly paste or grease when required.
How do I know my bike's seatpost size?
Your current seatpost or your bike's specifications will list the correct diameter. Using the correct size ensures proper fit, safety, and reliable performance.
Are carbon seatposts worth upgrading to?
Carbon seatposts are popular among performance cyclists because they are lightweight and help reduce road vibrations, providing a smoother ride on long-distance routes.
Can I use a seatpost shim?
Yes. A seatpost shim allows a smaller diameter seatpost to fit securely into a larger seat tube, provided the size difference is compatible.
How often should I check my seatpost?
Inspect your seatpost regularly for proper tightness, correct saddle alignment, and signs of wear or corrosion. Routine maintenance helps ensure safe and comfortable riding.
Can a new seatpost improve riding comfort?
Absolutely. The right seatpost can improve riding posture, reduce fatigue, and provide better support, especially during long rides or rough terrain.
Will a lightweight seatpost improve bike performance?
Lightweight seatposts can reduce overall bike weight and improve ride quality, making them a popular upgrade for road, gravel, and mountain bike enthusiasts.
How do I maintain my bike seatpost?
Remove and clean the seatpost periodically, inspect it for damage, and apply the appropriate grease or carbon assembly paste before reinstalling to prevent seizing and ensure smooth adjustments.
Why buy a bike seatpost from Carson City Bike Shop?
Carson City Bike Shop offers premium bike seatposts, suspension seatposts, and seatpost accessories from trusted cycling brands. Whether you're upgrading your bike fit or replacing worn components, you'll find reliable options for every riding style.
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