FSA

KFX Di2 Carbon Seatpost - 25mm Offset (SB25)

The FSA KFX Di2 Carbon Seatpost - 25mm Offset (SB25) brings top-tier performance and precision to riders who demand more from every gram of their gear. Designed for modern XC and trail machines, this lightweight carbon post blends stiffness and compliance for a ride that feels both efficient and forgiving when the trail gets rough.

With a clever internal battery port built specifically for Shimano Di2 electronic drivetrains, the KFX Di2 keeps your setup sleek and protected. Its 25mm offset provides the perfect balance of fit and power transfer, giving riders the ability to fine-tune position for optimal comfort and control on long climbs or technical descents.

Built with uni-directional carbon fiber and FSA’s meticulous attention to detail, this seatpost delivers the strength to handle aggressive riding without sacrificing weight savings. It’s the finishing touch for a race-ready build that values both performance and clean, integrated aesthetics.

Key Features:

• Carbon fiber construction keeps weight low and strength high for XC and trail use.
• Internal Di2 battery integration offers a clean, reliable electronic drivetrain setup.
• 25mm offset allows for precise fit and improved comfort over long rides.
• Optimized compliance absorbs trail chatter while maintaining efficient power transfer.
• Refined design complements high-end builds with a sleek, modern look.

Whether chasing podiums or perfecting your ride setup, the FSA KFX Di2 Carbon Seatpost delivers the performance and integration serious riders expect from their top-tier components.