FSA

FSA SL-K OS-115 Stem — 120mm, 31.8mm Clamp, ±6°, 1-1/8" Threadless, Carbon Faceplate, Black

$129.99 USD
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Pay in 4 interest-free installments of $133.12 with

The FSA SL-K OS-115 is a premium, ultra-light threadless stem for road and MTB, 3D-forged and CNC-machined with a carbon-fiber faceplate for stiff, precise 31.8mm bar clamping.

Ultra-light SL-K alloy stem with a carbon faceplate — genuine FSA, brand new.

Will it fit? 120mm length, 31.8mm bar clamp, for 1-1/8" (28.6mm) threadless steerers, with a ±6° flip-flop rise. Fits 31.8mm road, gravel/CX or MTB bars. Not for 1" or 1-1/4" steerers or 25.4/26.0mm bars.

Key Specifications

Brand FSA (Full Speed Ahead)
Series SL-K (OS-115)
Model SL-K OS-115
MPN 175-3152PD
Type Stem
Length 120mm
Bar Clamp 31.8mm
Steerer 1-1/8" (28.6mm)
Rise ±6° (flip-flop)
Stack Height 40mm
Faceplate 4-Bolt Carbon Fiber
Material AL2014/AL6061 3D-forged, CNC-machined
Hardware Chromoly
Weight 149 g (5.3 oz)
Color Black
Country of Origin Taiwan
Condition Brand new — original FSA retail packaging

Technology Highlights

  • ✓ 3D-forged + CNC-machined SL-K body for stiffness and low weight.
  • ✓ 4-bolt carbon-fiber faceplate for secure bar clamping.
  • ✓ ±6° flip-flop rise for fit tuning.
  • ✓ Chromoly hardware for durability.
  • ✓ Road & MTB 31.8mm compatibility.

What's in the Box

  • 1 × FSA SL-K OS-115 stem (120mm, 31.8mm)
  • 4 × carbon faceplate bolts
  • Original FSA retail packaging
Brand new in retail packaging. Ships from Ontario, California (US domestic) · Estimated delivery 3–5 business days · Free 30-day returns.
FSA SL-K OS-115 Stem — 120mm, 31.8mm Clamp, ±6°, 1-1/8" Threadless, Carbon Faceplate, Black
$129.99 USD
Regular price
Unit price
per

FSA SL-K OS-115 Stem — 120mm, 31.8mm Clamp, ±6°, 1-1/8" Threadless, Carbon Faceplate, Black