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Item # FSA001D
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FSA SL-K Light Compact EVO 386 $0.00
Given the SL-K Light Compact EVO 386's high-quality ceramic bearings, meticulously plotted carbon construction, knee-saving compact rings, and classic five bolt aesthetics, you'll want to ride this FSA crankset forever. Happily, the EVO 386 promises to live up to its hype as "the last evolution of the BB standard." Think of BB386 as a series of adapters that plug into the most common versions of bottom brackets in order to accommodate EVO386 cranks.
Like its K-Force relatives, the SL-K's crank arms are molded around two tubular bladders, so the structure is buttressed-up with a thin, central sheet of material that runs the length of the crank. The cross section resembles a peanut, and the result is a lightweight crank arm that doesn't skimp on power transfer. This power transfer is further complemented by the SL-K's impossibly smooth and durable ceramic bearings. Ceramic can withstand even industrial applications without flinching, so for a bicycle, they're the bearing equivalent of spinning up on clouds.
The wider, 86 millimeter spacing pushes the contact point with the pedals out slightly. Since the bottom bracket extends further, the crank arms don't have to bend as much to provide ankle clearance on the frame. That means less material, so it saves grams, and higher torsional stiffness because the crank arm itself is straighter. You know how bowed seat stays provide compliance to absorb road impact? The same is true of bowed crank arms, but the extra compliance works against you by flexing, which hampers efficient power transfer.
Given the flexibility of BB386, the SL-K Light cranks are future-proof. They'll travel with you from frame to frame, and — by installing your choice of FSA chainrings designed to work with Shimano, SRAM, or Campagnolo — drivetrain to drivetrain. The compact chain rings may also help future-proof your knees, providing some relief on grades in the high teens and twenties in case you live in a geography like our home base in Utah.
- 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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Crankset/Bottom Bracket compatibility - Road
Reviews & Community
Is this crankset compatible with both 10 and 11 speed Shimano Drive-Trains Including both chain types?
While it might not be recommended, these chain rings will do both, will shift fine.
Dumb question...does this adapt to fit BB30?
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: http://www.fullspeedahead.com/install-bb386evo-crankset-bb30-frame-fsa-road/
Please let us know if you have any other questions. You can contact me directly at firstname.lastname@example.org if you'd like.