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FSA
Non-Series ACR Stem

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$75.13 - $143.00
Up to 47% off
Color:Black Graphic

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Aerodynamic Non-Series ACR Stem streamlines cockpit with fully hidden routing

What Our Gearhead® Experts Are Saying:


"I’ve installed this stem on a few integrated road setups, and it’s one of the cleanest cable-routing solutions out there. The ACR system makes the cockpit look super tidy, and the stiffness is noticeable when you’re wrenching on the bars during hard accelerations. It is on the heavier side, but the build quality, finish, and routing integration make it a solid choice for modern aero frames."


We turn to the FSA Non-Series ACR Stem when we want a streamlined cockpit that matches the modern road aesthetic—sleek, stiff, and seamlessly organized. Built around ACR—Aerodynamic Cable Routing—it’s designed to fully conceal brake hoses and shift housing through compatible bars, headsets, and frames, giving our road bike a wind-cheating, ultra-clean front end that feels as fast as it looks.


The forged 6061-T6 aluminum body keeps steering precise and responsive, even when we’re putting down power on climbs or sprinting out of corners. Chromoly hardware ensures long-term durability, while the included spacers help dial in stack height without interrupting the integrated look. From the bead-blasted anodized finish to the low-profile frontal shape, every detail reinforces the stem’s purpose: maximizing performance while elevating cockpit aesthetics on modern road builds.


Details

  • Stem for road riders and who take the occasional gravel path
  • Aerodynamic Cable Routing tech improves wind slicing capabilities
  • Low-profile frontal area improves sleek aesthetics
  • 6061 T6 body and faceplate and chromoly hardware for lasting durability
  • Includes 10mm, 5mm, and 5mm contoured spacers for stack tuning
  • Item #FSAD12M
Material
alloy
Length
70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm, 140mm
Rise
-6°
Clamp Diameter
31.8mm
Claimed Weight
[100mm] 8.3oz (235g)
Stack
30mm
Bar Attachment
4-bolt
Includes
2 10mm spacers, 5mm spacer, 5mm contoured spacer
Manufacturer Warranty
2 years
Activity
road cycling, gravel
A mountain biker in bright yellow gear rides a blue full-suspension bike down a rocky trail at sunset with forested mountains in the background.

World Class Bike Components

Full Speed Ahead (FSA) produces world class bicycle components for road cycling and mountain biking and supports many of the world’s leading road and mountain bike teams.

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Gravel & Cyclocross Components

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FSA NS ACR Stem for road and gravel cyclingAerodynamic Cable Routing for improved performanceLightweight alloy construction at 235 gramsDurable chromoly hardware for extended useSleek low profile design for better aestheticsAvailable lengths from 70mm to 140mm-6° rise for optimal riding position31.8mm clamp diameter for compatibility4-bolt bar attachment for secure fitManufacturer warranty of 2 yearsIdeal for male and female road ridersPerfect for adventurous cyclists on mixed terrain

Learn more about FSA NS ACR Stem