The FSA SL-K Carbon Seatpost is built for riders who demand a balance of lightweight performance, stiffness, and reliability on every ride. With its unidirectional carbon shaft and bonded alloy head, this post delivers efficient power transfer and vibration damping without sacrificing durability. Whether tackling long climbs, hammering through rough terrain, or dialing in the perfect saddle position, the SL-K keeps you comfortable and in control mile after mile.
UD carbon shaft provides an ideal blend of stiffness and compliance for smoother rides.
Bonded 6061-T6 alloy head keeps weight low while maintaining dependable strength.
Chromoly steel hardware ensures long-term durability and consistent clamping force.
MTC two-bolt mounting system allows precise saddle angle adjustment and secure setup.
20mm offset (SB20) helps fine-tune rider position for optimal comfort and power delivery.
Light, stiff, and purpose-built for performance, the FSA SL-K Carbon Seatpost is the upgrade that makes every ride feel faster, smoother, and more dialed-in.
Specifications & Identifiers
Color
Carbon
Defined Color
Black, Carbon
Diameter - Seatpost
25.4mm, 27.2mm, 31.6mm
Length - Seatposts
350mm
Material
Carbon
Offset
20mm
Rail Style
7x9 Rails, Standard Rails
Carbon - 25.4 UPC
840031051240
Carbon - 25.4 MPN
192-0058039030
Carbon - 27.2 UPC
840031051257
Carbon - 27.2 MPN
192-0058001030
Carbon - 31.6 UPC
840031051271
Carbon - 31.6 MPN
192-0058005030
Tree Fort ID:
333222471145
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