e*thirteen 30.9- 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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e*thirteen Vario Infinite Dropper Seatpost - 30.9, 90-120mm, Black 
BuyPART NUM 562511
The Vario Infinite Dropper seatpost uses a proven, gas-charged spring allowing infinitely-adjustable travel, and requires 20% less compression force than … read more
Ships Freeyour price $189.95 + ships free
BuyPART NUM 562511 We define color as the main color of the item. It may have accents or highlights in other colors.
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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.
On a dropper post, this is the distance that the post will drop.
Dropper posts have the ability to change heights. This has become a choice for mountain bike riders that prefer multiple riding positions.
Seatpost Clamp Style
Weight
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