FSA SL-K Stem
Top Pick
FSA

FSA SL-K Stem

4.7

Best quality drop stem for aggressive mountain biking position adjustments.

This component is the perfect fix for bikes with front ends that feel too tall. By dropping the handlebar height, it restores the balance and handling precision needed for aggressive trail riding on larger wheels.

$84.99

Out of stock
Stem Angle Degrees -20
Steerer Tube Clamp Diameter Mm 28.6
0
28.6

Who it's for

  • Mountain bike racers and aggressive trail riders seeking a competitive edge.
  • Riders who frequently tackle challenging, technical climbs on their mountain bikes.
  • Performance-focused mountain bikers prioritizing weight savings and long-term durability.

Who should skip it

  • Casual trail riders and those prioritizing comfort over an aggressive race stance.
  • Riders requiring a more upright position or greater adjustability for bike fit.
  • General mountain bikers and those not seeking an extreme, low-front-end setup.

Performance breakdown

Geometry Correction

Aggressive -20 degree drop effectively lowers front-end height for modern bikes.

Excellent

Strength-to-Weight Ratio

Hollow forging delivers a robust build without unnecessary mass.

Excellent

Steering Precision

Rigid construction ensures direct handling feedback on technical, demanding terrain.

Excellent

Cockpit Compatibility

Standard 31.8mm clamp fits the vast majority of modern mountain bars.

Excellent

Installation Ease

Four-bolt faceplate design makes swapping bars and adjusting angle straightforward.

Excellent

Finish Durability

Anodized coating resists trail grit and weather-related wear over time.

Excellent

Key Specs

Stem Length

60 mm, 70 mm, 80 mm, 90 mm, 100 mm, 110 mm

Stem Angle

-20 degrees

Steerer Tube Diameter

1-1/8 inches

Handlebar Clamp Diameter

31.8 mm

Material

Aluminum and Chromoly

Weight

163 grams (for 100 mm length)

Stem Type

Threadless

Intended Use

Mountain Biking

Removable Faceplate

Yes

Number of Bolts Handlebar Clamp

4

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FSA SL-K Stem

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