Teravail Stratum SE Alloy Seatpost is a straightforward upgrade for riders who want a stiff, reliable alloy seatpost with easy fit tuning. Built from 2014 aluminum alloy with a forged aluminum head, it delivers solid support under hard pedaling while keeping setup and adjustments simple for mountain, gravel, and everyday builds.
The 18mm offset (setback) option helps fine-tune saddle fore/aft position for comfort and efficient weight balance, especially when dialing in reach to the bars or achieving a preferred pedaling position. A two-bolt adjustable head makes saddle angle adjustments precise and repeatable, reducing the guesswork compared to single-bolt designs.
2014 aluminum alloy shaft - Stiff, durable construction for a dependable pedaling platform
Forged aluminum head - Strong clamp interface designed for long-term service life
18mm offset - Adds setback to help achieve an efficient fit and stable weight distribution
Two-bolt adjustable head - Accurate saddle angle adjustment with secure clamping
400mm length - Plenty of insertion range for modern frames and a wide fit window
Diameter options - Available in 27.2mm, 30.9mm, and 31.6mm
ASTM 3 / ISO MTN tested - Verified to meet recognized mountain-bike testing standards
Specifications & Identifiers
Color
Black
Defined Color
Black
Diameter - Seatpost
27.2mm, 30.9mm, 31.6mm
Length - Seatposts
400mm
Material
Aluminum
Offset
18mm
Rail Style
Standard Rails
Black - 27.2 UPC
822051052872
Black - 27.2 MPN
19-000576
Black - 30.9 UPC
822051251886
Black - 30.9 EAN
4710636251603
Black - 30.9 MPN
19-000576
Black - 31.6 UPC
400310016065
Black - 31.6 MPN
19-000576
Tree Fort ID:
333222475920
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