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31.6 mm Aluminum Rigid Standard Bicycle Seatposts

The seatpost diameter must match to the seat tube diamater of your frame. If replacing a seatpost, you can usually find this measurement etched near the bottom of your current post.

Rigid seatposts are the most common type of seatpost with no suspension or dropping capability.

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Showing 56 products:

Thomson Elite Set Back Seatposts - Black - 31.6 x 410 mm
Thomson Elite Set Back Seatposts - Black - 31.6 x 410 mmThomson

The Elite Set Back Thomson Seatpost has a post and cradle which are machined from one piece of 7000 aluminum. Post and cradle are machined from one … read more

your price $114.95 + ships free

BuyBuyPART NUM 786360
Thomson Elite Seatpost Black 31.6 mm x 367 mm
Thomson Elite Seatpost Black 31.6 mm x 367 mmThomson

Over 40% stronger on ultimate strength test than the strongest production seatposts on the market. Over double the fatigue life of any other production … read more

StarStarStarStarStar 4.5 of 5 ( 4 ) 4.5 of 5 stars average ( 4 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 227509
Thomson Elite Set Back Seatposts - Black - 31.6 x 367 mm
Thomson Elite Set Back Seatposts - Black - 31.6 x 367 mmThomson

The Elite Set Back Thomson Seatpost has a post and cradle which are machined from one piece of 7000 aluminum. Post and cradle are machined from one … read more

your price $114.95 + ships free

BuyBuyPART NUM 453191
Thomson Masterpiece Seatposts Black
Thomson Masterpiece Seatposts BlackThomson

The Thomson Masterpiece Seatpost is not for everyone. We at Thomson wanted to create the best seatpost possible without regard to cost. The … read more

your price $159.95 + ships free

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Chromag Dolomite Seatpost, 31.6 x 400mm - Black
Chromag Dolomite Seatpost, 31.6 x 400mm - Black

3D forged one piece shaft and clamp base with robust cradle and top clamp Turned CNC finish with a degree of texture for a positive clamp … read more

$10 offretail $104.00 your price $93.60 + ships free

BuyBuyPART NUM 652280
Thomson Masterpiece Setback Seatpost - 31.6 mm x 350 mm - Black
Thomson Masterpiece Setback Seatpost - 31.6 mm x 350 mm - BlackThomson

The Thomson Masterpiece Seatpost is not for everyone. We at Thomson wanted to create the best seatpost possible without regard to cost. The … read more

your price $159.95 + ships free

BuyBuyPART NUM 708807
Ritchey WCS Link Seatpost: 31.6 400mm, 20mm Offset, Blatte
Ritchey WCS Link Seatpost: 31.6 400mm, 20mm Offset, BlatteRitchey

3D forged 7050 alloy Link posts come with standard 2 bolt clamps: Vector Evo clamp is available separately. Item Spe … read more

your price $99.95 + ships free

BuyBuyPART NUM 392985
Ritchey Classic Seatpost: 31.6, 350mm, 25mm Offset, High Polish Silver
Ritchey Classic Seatpost: 31.6, 350mm, 25mm Offset, High Polish SilverRitchey

Proven 2-bolt design provides a balance between strength, weight and adjustability. Bolts are oriented to the axis of the rails for greatest contact area … read more

your price $69.95 + ships free

BuyBuyPART NUM 531693
Salsa Guide Deluxe Seatpost 31.6 x 400mm 0mm Offset Black
Salsa Guide Deluxe Seatpost 31.6 x 400mm 0mm Offset BlackSalsa

The Guide Deluxe Seatpost features a highly adjustable two-bolt head design, while remaining lightweight, durable, and supportive when you need it most. … read more

your price $70.00 + ships free

BuyBuyPART NUM 847589
Thomson Elite Seatpost Black 31.6 mm x 410 mm
Thomson Elite Seatpost Black 31.6 mm x 410 mmThomson

Over 40% stronger on ultimate strength test than the strongest production seatposts on the market. Over double the fatigue life of any other production … read more

StarStarStarStarStar 4.5 of 5 ( 4 ) 4.5 of 5 stars average ( 4 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 113940
Dimension Two-Bolt Seatpost 31.6 x 350 Matte Black
Dimension Two-Bolt Seatpost 31.6 x 350 Matte BlackDimension

Dimension Two-Bolt Seatposts provide a sturdy and durable saddle perch for cross country and all-mountain riding in three diameters, rigorously tested … read more

your price $28.00

BuyBuyPART NUM 901871
Thomson Elite Seatpost Silver - 31.6 mm x 367 mm
Thomson Elite Seatpost Silver - 31.6 mm x 367 mmThomson

Over 40% stronger on ultimate strength test than the strongest production seatposts on the market. Over double the fatigue life of any other production … read more

StarStarStarStarStar 4.5 of 5 ( 4 ) 4.5 of 5 stars average ( 4 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 647408
Thomson Elite Seatpost Silver - 31.6 mm x 410 mm
Thomson Elite Seatpost Silver - 31.6 mm x 410 mmThomson

Over 40% stronger on ultimate strength test than the strongest production seatposts on the market. Over double the fatigue life of any other production … read more

StarStarStarStarStar 4.5 of 5 ( 4 ) 4.5 of 5 stars average ( 4 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 833755
Ritchey Classic Zero Post, 31.6 x 400mm, Silver
Ritchey Classic Zero Post, 31.6 x 400mm, SilverRitchey

No-slip saddle engagement with high adjustability 6061 alloy with zero set back Item Specifications diameter: 31.6mm length: 400mm … read more

your price $69.95 + ships free

BuyBuyPART NUM 293115
RaceFace Ride XC Seatpost 31.6 x 350mm Black
RaceFace Ride XC Seatpost 31.6 x 350mm Black

RaceFace Ride XC Seatposts made of forged AL-6061. 2-bolt head holds saddle securely while retaining easy adjustability Forged, anodized and shot … read more

your price $34.99

BuyBuyPART NUM 413440
Ritchey WCS Zero Seatpost: 31.6, 400mm, Zero Offset, Matte Black
Ritchey WCS Zero Seatpost: 31.6, 400mm, Zero Offset, Matte BlackRitchey

Whether it's a cross remount, an unexpected pothole or a rough line down the trail, the WCS Zero post will not relinquish its position no matter what. … read more

your price $89.95 + ships free

BuyBuyPART NUM 754633
Salsa Guide Seatpost 31.6 x 400mm 18mm Offset Black
Salsa Guide Seatpost 31.6 x 400mm 18mm Offset BlackSalsa

The Guide Seatpost features a highly adjustable two-bolt head design, built to be strong, reliable, and supportive when you need it most. Offset … read more

your price $50.00 + ships free

BuyBuyPART NUM 137037
Cinelli Neos Carbon Seatpost, 350 X 31.6mm
Cinelli Neos Carbon Seatpost, 350 X 31.6mm

The monolithic aluminum 3D forged seatpost is reinforced with unidirectional carbon fiber Innovative single screw clamping system which acts … read more

$38 offretail $189.99 your price $151.99 + ships free

BuyBuyPART NUM 787293
Kalloy SP-265 UNO Seatpost, 31.6 x 350mm, Sandblast Black
Kalloy SP-265 UNO Seatpost, 31.6 x 350mm, Sandblast Black

Heat treated 6061 sandblast aluminum (matte finish) 2D forged 1-bolt head 30mm rail clamping area Item Specifications diameter: … read more

your price $17.99

BuyBuyPART NUM 340169
Zipp Speed Weaponry Service Course Seatpost: 31.6mm Diameter, 350mm Length, Zero Offset, Bead Blast Black, B2
Zipp Speed Weaponry Service Course Seatpost: 31.6mm Diameter, 350mm Length, Zero Offset, Bead Blast Black, B2

Zipp Service Course seatpost features an innovative low-profile clamp allowing greater for-aft adjustment.It's a post that's lightweight and strong for … read more

your price $56.00

BuyBuyPART NUM 360585
Thomson

Thomson is leading with innovative design for two primary markets - aerospace and cycling.

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Ritchey

"Ritchey bicycle components have been raced to victory in some of the biggest cycling competitions in the world including the UCI World Championships, the Tour de France and the Olympics and it all began in a simple garage in Menlo Park, California with Tom Ritchey.'

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Salsa

"At Salsa, we believe a sense of adventure makes life better. The bicycle can be so much more than just a bike; it's a path to new places, new people, and amazing experiences."

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Dimension

Dimension makes quality components to repair or custom-fit the vast majority of bikes being ridden today, and provide the accessories that make them fun to ride.

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Whisky Parts Co.

"Whisky Parts Co. makes high quality carbon components designed with unique features that help you do more with your bike and stand out from the rest. We believe that our work can help every rider find a new level of confidence and performance with our sturdy and lightweight forks, bars, rims and more. So whether you are building a new bike or upgrading one you already have, you'll find an uncommon attention to detail in every product we offer."

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Sunlite

"Every year bikes change, styles and trends evolve, old bikes are in need of repairs and new bikes are waiting for that personal touch. We provide the means to keep your bike on the road and fun to ride!"

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Full Speed Ahead

"We move forward with a desire to deliver the best possible components to our customers and a determined spirit of competition."

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We define color as the main color of the item. It may have accents or highlights in other colors.

Weight

These products are one of our best sellers.

In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.

These models are available for online purchasing and can be shipped directly to you.

The seatpost diameter must match to the seat tube diamater of your frame. If replacing a seatpost, you can usually find this measurement etched near the bottom of your current post.

Seatpost length is measured in millimeters. It is typically measured from the bottom of the post to the center of the rail mount.

Offset is often referred to as setback. This is the distance in mm that the clamp is offset from the center of the seatpost.

Seatpost Material

Rigid seatposts are the most common type of seatpost with no suspension or dropping capability.

Seatpost Clamp Style

On a dropper post, this is the distance that the post will drop.

Our Lowest Price - This product is ineligible for additional discounts or rebates.

Suspension seatposts are designed with comfort in mind.

Weight

Buy this product and your entire order ships for free.

Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.