FSA SL-K Modular BB386EVO Carbon Crankset – 2x – 175mm

The FSA SL-K Modular BB386EVO crankset is a lightweight carbon crank designed for gravel, adventure, and road bikes. Its modular design and 30mm BB386EVO spindle allow it to work across a wide range of modern frame and bottom bracket standards.

This crankset is typically chosen by riders who want a stiff, efficient 2x setup with broad gearing options and compatibility across multiple bike platforms.

Key Features
• Hollow carbon fiber crank arms with UD finish
• Forged AL7050 30mm BB386EVO spindle
• Modular design to fit a wide range of bottom bracket standards
• Direct-mount outer chainring with 90 BCD inner chainring interface
• Chromoly chainring bolts
• Designed for Shimano and SRAM 10–11 speed drivetrains

Compatibility & Use Notes
• Crank arm length: 175mm
• Spindle standard: BB386EVO, 30mm
• Requires frame-specific compatible bottom bracket (sold separately)
• Compatible with Shimano and SRAM 10–11 speed systems
• Designed for 2x drivetrain use
• Not intended for 12-speed-only systems

Service / Ownership Context
Bottom bracket selection and correct installation are critical for performance and bearing life. Front derailleur setup and chainline must be adjusted carefully based on chainring size. This crankset is commonly used on gravel and all-road builds where adaptability across frames is important.

Fit & Use Signals
• Good fit for gravel, adventure, and all-road bikes
• Good fit if your frame supports 30mm spindle bottom brackets
• Good fit for riders who want a 2x drivetrain
• Not a fit for frames that cannot accept BB386EVO-compatible BBs
• Not ideal if you are building a 1x-only drivetrain