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The FSA SL-K Light Compact EVO 386 is an ultra-light, compact 50/34-tooth crankset that lends knee-saving grace when you're tackling steep grades, also facilitating a higher cadence on the flats. Hollow carbon arms shave precious grams on your lightweight build, while the crank arms' unidirectional carbon finish provides extra stiffness for high power output. Complementing the SL-K's extremely light, super-stiff characteristics are ceramic bearings for smooth-spinning performance. Furthermore, you'll find this compact crankset accommodates the BB386 EVO standard, which works with adapters that insert into most common bottom brackets. Check with FSA's compatibility chart for fitment with your specific bike frame.

  • Compact 50/34-tooth crankset
  • 7075 aluminum CNC-machined chain rings
  • Hollow carbon arms with unidirectional carbon finish
  • BB386 EVO standard (bottom bracket not included)
  • Ceramic bearings

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Here's what others have to say...

Is this crankset compatible with both 10 and 11 speed Shimano Drive-Trains Including both chain types?

Responded on

While it might not be recommended, these chain rings will do both, will shift fine.

Dumb question...does this adapt to fit BB30?


Responded on

Hi James, no dumb questions regarding bottom bracket compatibility. It can all be very confusing.

The short answer is yes with the use of item # FSA000Z, FSA BB30 Bottom Bracket. The longer answer is it depends on the frame, but a full explanation is provided by FSA on their website:

Please let us know if you have any other questions. You can contact me directly at if you'd like.