FSA Powerbox SL-K Chainring Kit 54/40T BCD 110 ABS 4-Bolt 2x12 Speed Black

FSA Powerbox SL-K Chainring Kit 54/40T BCD 110 ABS 4-Bolt 2x12 Speed Black

The FSA Powerbox / SL-K 54/40T Chainring Kit has been developed for high-performance road bikes equipped with modern 12-speed drivetrains. Designed specifically for FSA cranksets using the 110 mm Asymmetric Bolt Spacing (ABS) standard, it delivers reliable compatibility, efficient power transfer and smooth shifting performance.

The combination of a 54-tooth outer chainring and a 40-tooth inner chainring is particularly suited to riders seeking high-speed performance and racing-oriented gearing.

Designed for 2x12-Speed Drivetrains

The chainring profiles and shift ramps are optimized for modern 12-speed road systems, helping ensure fast, smooth and accurate front shifting even under load.

The 54/40 gearing configuration is ideal for competitive riding and high-speed road applications.

Compatible with FSA Powerbox and SL-K Cranksets

This chainring kit is designed for FSA cranksets using the 110 mm ABS 4-bolt interface, including compatible Powerbox and SL-K models.

Replacing worn chainrings restores drivetrain efficiency while maintaining the specifications intended by FSA.

Efficient Power Transfer and Precise Shifting

Dedicated machining and optimized tooth profiles help the chain move smoothly between chainrings, contributing to efficient power transfer and improved ride quality.

A properly functioning drivetrain helps maximize performance during training sessions and racing.

Ideal for Racing Applications

The 54/40 setup is particularly appreciated by competitive cyclists looking for performance-oriented gearing suitable for fast road riding and demanding racing conditions.

Technical Specifications

• Brand: FSA
• Model: Powerbox / SL-K Chainring Kit
• EAN: 4711233870372
• MPN: 37100116011010
• Chainring Configuration: 54/40 Teeth
• BCD: 110 mm
• Mounting Standard: ABS (Asymmetric Bolt Spacing)
• Bolt Pattern: 4-Bolt
• Drivetrain Compatibility: 2x12-Speed
• Crankset Compatibility: FSA Powerbox ABS and FSA SL-K ABS
• Color: Black
• Product Type: Chainring Kit (Outer + Inner Chainring)

Why Choose the FSA Powerbox SL-K Chainring Kit?

The FSA Powerbox / SL-K 54/40T Chainring Kit is the perfect choice for riders who want to maintain the original performance of their FSA crankset. Precise compatibility, smooth shifting and a race-focused gearing configuration make it an excellent upgrade or replacement for demanding road cyclists.