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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.
495 products
495 products
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$215.99
• 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
Receives in 6 days.
$19.99
• Shave off 6mm of insertion length for better in-frame clearance and routing
• Unique shark fin shape allows additional 4mm of clearance if flipped
Receives in 6 days.
$44.99
• Unparalled adjustment and overall function
• 22.5 degree reach adjustment
• 10mm lateral slide adjustment
• Double bushing design reduces drag significantly
• Concave paddle shape and gripper texture
• Soft actuation
Receives in 6 days.
$72.49
• Unparalled adjustment and overall function
• 22.5 degree reach adjustment
• 10mm lateral slide adjustment
• Double bushing design reduces drag significantly
• Concave paddle shape and gripper texture
• Soft actuation
Receives in 6 days.
$22.49
• 350 x 25.4 mm
• alloy, silver
• preload adjustable
• 40 mm travel
Receives in 6 days.
$17.99
• Replacement elastomer for Fourpospring seatpost
• For 85 - 100 kg riders
Receives in 6 days.
From $17.99
• 25.4 x 350 mm
• alloy, silver
Receives in 6 days.
From $26.99
• Preload adjustable
• 40mm travel
• Aluminum
Receives in 6 days.
$13.50
• Seatpost Bolt Kit SL Speed B1 Steel Black
• SRAM Model ID: SP-SPP-F-A0
Receives in 6 days.
$31.50
• SEATPOST TOP AND BOTTOM CLAMP B1 0 AND 20 OFFSET SERVICE COURSE
• SRAM Model ID: SP-SPP-F-A0
Receives in 6 days.
$10.79
• Maxima Seat Post Fluid Serene, 16 oz Bottle (Reverb Post only, not for use in remote) - Reverb Post C1/AXS
• SRAM Part Number 11.4115.094.050
Receives in 6 days.
From $117.00
• 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 light weight carbon tube keeps the rider comfortable over any terrain.
• Secure, two-bolt clamp makes for easy micro-adjustments of saddle position, and the
head has been redesigned for maximum bolt head accessibility.
• Clamp works with all saddle rail types.
• SRAM Model ID: SP-SC-SL-C2
Receives in 6 days.
$27.50
• Rock-solid retention – A bolt-and-barrel nut design delivers even clamping force for a secure hold that won’t crush your frame.
• Built for the long haul Precision CNC-machined in the USA from high-quality aluminum, because lasting quality never goes out of style.
Receives in 6 days.
From $27.00
• Increased stiffness-to-weight ratio
• 6061 alloy
• Steel hardware
• Bead Blast black finish
• SRAM Model ID: SP-SC-B2
Receives in 6 days.
$10.00
• Dropper Post Seal & Bushing Kit
Receives in 6 days.
$5.40
• SEATPOST AIR CAP AND AIR PISTON O-RINGS - (QTY 20) - REVERB XPLR 27.2 A1 (2022)
• SRAM Model ID: SP-SPP-T-A0
Receives in 6 days.
$22.50
• Replacement clamp kit for Reverb Stealth C1
• Includes clamp, nuts, and bolts
• SRAM Model ID: SP-SPP-T-A0
Receives in 6 days.
$63.00
• SEATPOST SERVICE KIT - 200 HOUR/1 YEAR SERVICE (INCLUDES NEW, UPGRADED IFP; REQUIRES OIL LEVEL ADJUSTER) - REVERB STEALTH A2 (2013-2016)
• SRAM Model ID: SP-SVC-T-A1
Receives in 6 days.
$22.50
• SEATPOST AIR VALVE KIT - REVERB STEALTH AIR VALVE ASSEMBLY
• SRAM Model ID: SP-SPP-T-A0
Receives in 6 days.
$22.50
• SEATPOST SERVICE KIT - 200 HOUR/1 YEAR SERVICE (INCLUDES FOAM RING, BUSHINGS, & O-RINGS) - REVERB XPLR AXS 27.2 (2022) A1
• SRAM Model ID: SP-SVC-T-A1
Receives in 6 days.
$22.50
• SEATPOST SERVICE KIT - 200 HOUR/1 YEAR SERVICE (INCLUDES FOAM RING, COLLAR, INNER SEALHEAD BUSHING, & O-RING) - REVERB STEALTH C1
• SRAM Model ID: SP-SVC-T-A1
Receives in 6 days.
$157.50
• Reverb Stealth Remote Lever Assembly, Connectamajig (includes lremote lever, MMX clamp, hose 2000mm & hosebarb) - A2-B1 (2013+)
• SRAM Model ID: RM-RVB-A1
Receives in 6 days.
$85.50
• SEATPOST SERVICE KIT - 600 HOUR/3 YEAR SERVICE (INCLUDES IFP, SEALHEAD ASSEMBLY, AND COLLAR ASSEMBLY; REQUIRES OIL HEIGHT TOOL & IFP HEIGHT TOOL) REVERB STEALTH C1
• SRAM Model ID: SP-SVC-T-A1
Receives in 6 days.
$364.50
• SEATPOST TACKLE BOX - REVERB A2,B1
• SRAM Model ID: SP-SPP-T-A0
Receives in 6 days.
From $9.00
• SEATPOST IFP - GREY (INTERNAL FLOATING PISTON - REVERB/REVERB STEALTH A1-C1, REVERB AXS A1
• SRAM Model ID: SP-SPP-T-A0
Receives in 6 days.
$54.00
• SEATPOST INNER SEALHEAD - REVERB STEALTH A1-A2
• SRAM Model ID: SP-SPP-T-A0
Receives in 6 days.
$3.60
• RockShox, 00.6815.066.030, Reverb stealth barb connector
• SRAM Model ID: TL-RVBT-BC-A1
Receives in 6 days.
$85.50
• Seatpost Service Kit - 400 Hour/2 Year Service (Includes New, Upgraded IFP; Requires Post Bleed Tool, Oil Height Tool & IFP Height Tool) Reverb B1(2017)
• SRAM Model ID: SP-SVC-T-A2
Receives in 6 days.
$9.00
• Seatpost IFP Height Tool (210mm length) - Reverb AXS/Reverb A1-B1/Reverb Stealth A2-C1
• SRAM Model ID: TL-RVBT-IHT-A1
Receives in 6 days.
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