SL-K BB392EVO modular crankset


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FSA’s brand new range of high quality mountain bike cranksets are designed according to a fully-modular system. This means any rider or mechanic can easily, quickly, and safely swap out the spider, spindles, and chainrings from one set to another. It also features a built-in chain-line adjustment system so that wider Boost and traditional non-Boost configurations can each be accommodated with the same cranksets – so essentially one crankset works across any bike. The Modular system allows for the perfect combination of components, tailoring exact specification requirements to the individual rider and the type of terrain they’re facing.


  • Convertible spider design for different chainring and chainline configurations
  • Hollow carbon composite arms with UD finish
  • Forged and then CNC machined AL6061 spider
  • 30mm forged AL7050 BB392EVO spindle
  • AL7075 100% CNC chainrings
  • Chromoly chainring bolts
  • Optimized for new 11 speed system


Code Type
313-0258753030 SL-K CK Modular BB392 36x26 170
313-0258755030 SL-K CK Modular BB392 36x26 175
313-0258AU3030 SL-K CK Modular BB392 38x24 170
313-0258AU5030 SL-K CK Modular BB392 38x24 175
313-0258AI5030 SL-K CK Modular BB392 38x28 175


Type Cranksets
Technology BB392EVO, Modular, No
Discipline MTB
Series SL-K
Color Neutral
Weight (gr) 614, 560
Compatibility BB392
Bolt Circle Diameter (BCD) 96
Crankset Type Double
Drivetrain Compatibility Shimano10/11S, Sram10/11S, No
Holes Number 4
Material Carbon