FSA SL-K Crankset
FSA

FSA SL-K Crankset

4.5

Best lightweight performance upgrade for serious cyclists.

A lightweight and stiff carbon crankset that prioritizes efficient power transfer and reliable chain retention. The specialized tooth profile ensures the chain stays put, making it a dependable choice for aggressive trail riding.

$543.99

In stock

at

The Devil's Gear

Crank Arm Length Mm 170
Drivetrain Speed Compatibility 9-Speed, 10-Speed, 11-Speed
Bottom Bracket Interface Type English
Number Of Chainrings 1

Who it's for

  • Cyclists seeking to minimize bike weight for competitive advantage.
  • Riders prioritizing efficient power delivery for sprints and climbs.
  • Mountain bikers and gravel riders embracing single chainring simplicity.

Who should skip it

  • Budget-conscious riders looking for an affordable drivetrain upgrade.
  • Aggressive trail riders frequently encountering rock strikes and impacts.
  • Road cyclists or touring riders needing a wider gear range.

Performance breakdown

Power Transfer Efficiency

Hollow carbon arms deliver immediate, snappy response under heavy pedaling loads.

Excellent

Weight Profile

Competitive mass makes this a smart upgrade for weight-conscious trail riders.

Excellent

Drivetrain Compatibility

Modular design adapts easily to various setups, though 1x optimization limits versatility.

Excellent

Chain Retention

MegaTooth technology keeps the chain locked in during aggressive, rough descents.

Excellent

Structural Durability

Precision-machined construction withstands the rigors of demanding, technical trail riding.

Excellent

Installation Versatility

The 30mm spindle offers broad frame compatibility but requires specific bottom brackets.

Excellent

Key Specs

Weight

653 grams

Crank Arm Length

170 mm

Spindle Diameter

30 mm

Bolt Circle Diameter

110 mm

Chainline

50 mm

Drivetrain Compatibility

9, 10, 11 Speed

Bottom Bracket Compatibility

BB392EVO

Pedal Thread

9/16 inches

Bottom Bracket Included

Yes

Know before you buy

Still have a question?

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

FSA SL-K Crankset

Ready to buy?

World Class Bikes
World Class Bikes
Out of stock
$275.00
Buy
The Devil's Gear
The Devil's Gear
In stock
$543.99
Buy
Sammy's Bikes
Sammy's Bikes
In stock
$601.00
Buy
Epic Bike Shop
Epic Bike Shop
Out of stock
$382.99
Buy
Cycles Etc
Cycles Etc
Out of stock
$382.99
Buy
Marty's Reliable Cycle
Marty's Reliable Cycle
Out of stock
$543.99
Buy
Adventure Earth
Adventure Earth
Out of stock
$543.99
Buy