FSA SL-K SBS Carbon SB20 Seatpost
Brand: FSA
Series: SL-K
Type: Seatpost
Technology: SBS
Material: Carbon
Seatback: 20 mm
Application: ROAD, MTB
Compatibility: WE / Di2
The FSA SL-K SBS SB20 seatpost is lighter and stiffer than ever, weighing just 221 g in the 27.2 × 350 mm version. Featuring a UD carbon shaft with a bonded alloy head and FSA’s sophisticated SBS clamp system, it delivers an excellent balance of low weight, stiffness and reliability.
The seatpost is also available with a polymer Di2 battery holder, making it suitable for electronic drivetrain installations.
Key Features
UD carbon shaft with bonded alloy head
Forged alloy top clamp
Compatible with Ø7 mm standard saddle rails
Compatible with 7 × 9 mm oval saddle rails
Chromoly hardware
UD carbon finish
Black graphics
WE / Di2 compatible
20 mm setback
Technical Specifications
| Specification | Details |
|---|
| Brand | FSA |
| Series | SL-K |
| Type | Seatpost |
| Technology | SBS |
| Material | Carbon |
| Weight | 221 g |
| Seatback | 20 mm |
| Compatibility | WE / Di2 |
| Application | ROAD, MTB |
| Saddle Rail Compatibility | Ø7 mm round, 7 × 9 mm oval |
| Hardware | Chromoly |
| Finish | UD Carbon |
| Graphics | Black |
Available Versions
| Part Number | Description |
|---|
| 192-0058001030 | SP ROAD SL-K SBS Carbon SB20 27.2 × 350 mm A9 |
| 192-0058033030 | SP ROAD SL-K SBS Carbon SB20 27.2 × 400 mm A9 |
Applications
The FSA SL-K SBS Carbon SB20 is designed for road and MTB riders seeking a lightweight, stiff and reliable carbon seatpost. Its SBS clamp design supports both standard round rails and oversized oval rails, offering excellent saddle compatibility and adjustment range.
