FSA SL-K Crankset
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
at
The Devil's Gear
More SL-K options
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.
Weight Profile
Competitive mass makes this a smart upgrade for weight-conscious trail riders.
Drivetrain Compatibility
Modular design adapts easily to various setups, though 1x optimization limits versatility.
Chain Retention
MegaTooth technology keeps the chain locked in during aggressive, rough descents.
Structural Durability
Precision-machined construction withstands the rigors of demanding, technical trail riding.
Installation Versatility
The 30mm spindle offers broad frame compatibility but requires specific bottom brackets.
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
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