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28.6 mm 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.

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Showing 13 products:

Sun Bicycles 14 x 28.6 Steel Trike Seatpost, Chrome
Sun Bicycles 14 x 28.6 Steel Trike Seatpost, Chrome

Extra long 14" replacement trike seatpost For use with extra long support bar (#6702136) Size: 14" Steel Trike Seatpost (Extra Long … read more

StarStarStarStarStar 5 of 5 ( 2 ) 5 of 5 stars average ( 2 reviews )

your price $17.99

BuyBuyPART NUM 474820
Sun Bicycles 14 x 28.6 Steel Trike Seatpost, Black
Sun Bicycles 14 x 28.6 Steel Trike Seatpost, Black

Extra long 14" replacement trike seatpost For use with extra long support bar (#6702136) Size: 14" Steel Trike Seat Post (Extra Long … read more

your price $16.99

BuyBuyPART NUM 629780
Sunlite Alloy Seatpost, 28.6, 350mm, Black
Sunlite Alloy Seatpost, 28.6, 350mm, BlackSunlite

Forged alloy construction Integrated index adjust seat clamp Weight: 325g Outer Diameter: 28.6mm Length: 350mm Color: … read more

your price $19.99

BuyBuyPART NUM 368397
Kalloy SP-265 UNO Seatpost, 28.6 x 350mm Sandblast: Black
Kalloy SP-265 UNO Seatpost, 28.6 x 350mm Sandblast: Black

Heat treated 6061 sandblast aluminum (matte finish) 2D forged 1-bolt head 30mm rail clamping area 270g (27.2mm) Item Specifications … read more

your price $20.00

BuyBuyPART NUM 990407
EVO E-Force Zero Seatpost, Black, 28.6 x 400mm
EVO E-Force Zero Seatpost, Black, 28.6 x 400mm

CNC 6061 aluminum construction No Offset 400mm length Precise seat angle adjustment with 2 Cr-Mo bolts Item Specifications … read more

your price $27.99

BuyBuyPART NUM 503656
Sunlite Alloy Pillar Seatpost, 28.6, 350mm, Silver, No Clamp
Sunlite Alloy Pillar Seatpost, 28.6, 350mm, Silver, No ClampSunlite

Forged alloy construction Pillar style design Outer Diameter: 28.6mm Length: 350mm Color: Silver Material: Alloy … read more

your price $13.99

BuyBuyPART NUM 332104
Origin8 Pro-Fit Seatpost, 28.6 x 400mm, Silver
Origin8 Pro-Fit Seatpost, 28.6 x 400mm, Silver

Forged AL6061-T6 alloy construction Micro-adjust 2-bolt hinged clamp design Extra-long 400mm post 0mm setback Outer Diameter: … read more

15% offretail $39.99 your price $33.99

BuyBuyPART NUM 651475
Sunlite Alloy Pillar Seatpost, 28.6, 350mm, Black, No Clamp
Sunlite Alloy Pillar Seatpost, 28.6, 350mm, Black, No ClampSunlite

Forged alloy construction Pillar style design Outer Diameter: 28.6mm Length: 350mm Color: Black Material: Alloy … read more

your price $13.99

BuyBuyPART NUM 901941
Thomson Elite Seatpost Black 28.6 mm x 330 mm
Thomson Elite Seatpost Black 28.6 mm x 330 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 4.6 of 5 ( 5 ) 4.6 of 5 stars average ( 5 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 773570
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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Thomson

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

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

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.

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

Seatpost Clamp Style

This is the part number or identifier for this item from the manufacturer

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

Weight

Weight

Buy this product and your entire order ships for free.

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