FSA SL-K Crankset
FSA

FSA SL-K Crankset

4.3

Best high performance upgrade for discerning road cyclists.

This modular crankset bridges the gap between road and gravel performance with a highly adaptable design. Its hollow carbon construction keeps weight low while the 30mm spindle ensures it fits almost any frame standard, making it a smart, future-proof choice for custom builds.

$420.00

In stock

at

Epic Bike Shop

Crank Arm Length Mm
Intended Use Road, Gravel
Drivetrain Speed Compatibility 10-Speed, 11-Speed
Number Of Chainrings 2

Who it's for

  • Cyclists seeking flexibility to customize their drivetrain for different terrains.
  • Performance-oriented riders prioritizing direct and responsive pedaling feel.
  • Weight-conscious athletes aiming to shave grams from their bike's build.

Who should skip it

  • Riders unfamiliar with bottom bracket standards or seeking straightforward installation.
  • Budget-minded cyclists looking for cost-effective drivetrain upgrades.
  • Enthusiasts who prefer a wide selection of third-party chainrings for fine-tuning.

Performance breakdown

Power Transfer Efficiency

Hollow carbon arms provide excellent stiffness for efficient power delivery.

Excellent

Frame Compatibility

The BB386 EVO spindle adapts to almost any modern frame standard.

Excellent

Weight Optimization

Carbon construction keeps the rotating mass impressively low for climbing.

Excellent

Drivetrain Versatility

Modular design allows for easy chainring swaps across different riding disciplines.

Excellent

Build Durability

Chromoly bolts and forged spindle ensure long-term reliability under heavy load.

Good

System Integration

Seamlessly pairs with standard Shimano and SRAM 10-11 speed setups.

Excellent

Key Specs

Material

Hollow carbon fiber arms with UD finish, Forged AL7050 BB386EVO spindle, Chromoly chainring bolts

Spindle Type

BB386 EVO

Spindle Diameter

30mm

Chainring Mount Type

Direct mount outer, 90 BCD inner

Chainring Teeth

46/30T

Drivetrain Speed Compatibility

Shimano and SRAM 10-11 speed

Intended Use

Gravel, Adventure, Road

Q-Factor

Not specified

Chainline

Not specified

Weight

Not specified

Know before you buy

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Ask Metto anything about the FSA SL-K Crankset before you decide.

FSA SL-K Crankset

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