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FSA K-Force Light 386Evo Crank

Item #: CR227B00
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FSA K-Force Light BB386 Evo Crankset

FSA’s K-Force Light BB386 EVO crankset bids farewell to the traditional symmetrical bolt spacing design in favor of an Asymmetric Bolt Spacing. Uniquely, the new asymmetrical bolt spacing still uses 5 arms, as one is tucked away under the crankarm. Due to the fact that a riders power output isn’t consistent around a circle, the bolt locations are strategically placed where pedaling stresses are concentrated to maximize stiffness without compromising weight. The hollow carbon arms feature a UD finish and hidden bolts and spindle for optimized aerodynamics and a sleek appearance.

As the FSA K-Force Light BB386 EVO is built around a 110 BCD (Bolt Center Diameter), those who prefer to turn over a standard set-up might be shaking their head. However, the K-Force Light BB386 EVO’s ingenious design is able to run both standard and compact rings on the same arm. Riders are no longer required to buy a whole new crankset when in need of a gearing switch-up, as the crank can run 46/36T, 50/34T, 52/36T, and 53/36T chainring combos. FSA’s ABS chainrings have new optimized teeth and shift ramps for superior shifting.

The K-Force Light BB386 EVO’s compatibility surges to the next level as FSA offers bottom brackets that can covert just about any frame to use the 386 EVO spindle, even threaded. The K-Force Light weighs in at 584 grams, with a BB386 spindle, and will include 7075 aluminum chainrings with alloy T-30 Torx chainring bolts, and will compatible with Shimano 11 speed chains. Unlock the door to a world where the four most common road-chainring configurations use the same BCD (110), with the K-Force Light BB386 EVO crankset; the only Crankset you’ll ever need!

Description & Materials

  • Hollow Carbon arms with UD Carbon finsh
  • AL7075 100% CNC chainrings
  • AL7075 Torx T-30 alloy chainring bolts
  • Available for Campagnolo 11 speed
  • Available for Sram and Shimano 10 and 11 speed


  • Length - L170mm, L172.5mm, L175mm
  • Q-Factor - 147mm
  • Pedal Spindle: 9/16"
  • BCD - 110mm ABS
  • 46/36T, 50/34T, 52/36T, 53/39T


  • UD Carbon finsh
  • Color graphics options - Red, Black

Crank Weight

  • 584 grams

Bottom Bracket Information

  • Bottom brackets sold separately; BB selection will depend on frame shell interface
  • For BB30 and PF30 use, you will need a bottom bracket for the chosen standard and a 386 EVO adaptor
  • 30mm spindle 386 EVO cranksets will fit proprietary 86.5mm 386 EVO bottom bracket shells, 68mm English threaded shells, 68mm PF30 shells, and 68mm BB30 shells
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