MenuMenuModern Bike

Rigid 25.0 mm Bicycle Seatposts

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

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.

SortSort

Showing 5 products:

Thomson Elite Seatpost Black 25.0 mm x 330 mm
Thomson Elite Seatpost Black 25.0 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 … read more

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 957758
Sunlite Alloy Seatpost, 25, 350mm, Silver
Sunlite Alloy Seatpost, 25, 350mm, SilverSunlite

Forged alloy construction Integrated index adjust seat clamp Weight: 325g Outer Diameter: 25.0mm Length: 350mm Color: … read more

your price $19.99

BuyBuyPART NUM 254423
Sunlite Alloy Pillar Seatpost, 25, 350mm, Black, No Clamp
Sunlite Alloy Pillar Seatpost, 25, 350mm, Black, No ClampSunlite

Forged alloy construction Pillar style design Outer Diameter: 25.0mm Length: 350mm Color: Black Material: Alloy … read more

your price $15.99

BuyBuyPART NUM 373237
Sunlite Alloy Pillar Seatpost, 25, 350mm, Silver, No Clamp
Sunlite Alloy Pillar Seatpost, 25, 350mm, Silver, No ClampSunlite

Forged alloy construction Pillar style design Outer Diameter: 25.0mm Length: 350mm Color: Silver Material: Alloy … read more

your price $15.99

BuyBuyPART NUM 660929
Thomson

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

See all Thomson

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!"

See all Sunlite

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

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.

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

Seatpost Clamp Style

Weight

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

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.