Skip to content

Search

Product type

Menu

MEN
WOMEN
KIDS
SKI
SNOWBOARD
HIKE + CAMP
BIKE
WATER
CLIMB
MORE
BRANDS
BLOG

Home
30.9mm

Filter

Filter

Refine

Category

Search

Rigid Seat Posts
Suspension Seat Posts

Size

Search

30.9mm

Gender

Search

Unisex

Condition

Search

Fair
Good

Vendor

Search

Backcountry

Color

Search

Black
Other

Sort by

Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old

View as List Grid

FiltersFilter & Sort

Applied Filters

Clear all

Sort by

Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old

Category

Rigid Seat Posts
Suspension Seat Posts

Clear

Size

30.9mm

Clear

Color

Black
Other

Clear

Brand

FSA
KS
PRO

Clear

Gender

Unisex

Clear

Price

From $

-

To $

From To

Clear

Condition

Good
Fair

Clear

FSA SL-K Carbon SB0

$61⁴⁴40% OffSize: 30.9mm

View details
KS Lev Integra Dropper Seatpost

$152³⁶58% OffSize: 30.9mm

View details
PRO LT Dropper Seatpost

$88¹⁶56% OffSize: 30.9mm

View details
PRO Tharsis Dropper Seatpost

$155⁶⁹53% OffSize: 30.9mm

View details

30.9mm

Geartrade.com is where adventurists buy and sell the gear we love for the outdoors we need. #wearitout

Facebook
Instagram
TikTok
Twitter

LINKS

About
How to Sell Your Gear
Help Desk
Affiliates
Terms of Use
Privacy Policy
Rewards
Search
Brands + Retailers
Contact Us
Blog
Return Policy

Sign up to hear from Geartrade

Stay informed on the latest news, from offers and products to stories and events.

Email

© 2025 Geartrade.com.

Add To Cart

Item added to your cart.

View cart