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FSA
Afterburner Stem

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With a claimed weight hovering around 140g, FSA's Afterburner Stem combines the reliability of alloy with the weight of stems that are often twice as expensive. The Afterburner is a no-nonsense component: 3D-forged from the standard 6061 aluminum and then finished with a round of CNC machining for precise tolerances and years of reliability.


FSA finishes the stem with a four-bolt faceplate whose wide bolt pattern helps to diffuse pressure across a broader stretch of handlebar clamping area, reducing the risk of causing a structural failure in that all-important joint. The stem is relatively light on aesthetic embellishment, too, though it is hit with some sandblasting, so you can display a textured look or a high-gloss finish depending on which way you flip it.


Details

  • A simple, reliable XC mountain bike stem
  • Comparable in weight to more expensive models
  • Reliable aluminum for years of use
  • Wide bolt patter on face clamp diffuses pressure on bars
  • Item #FSA002C
Material
6061-T6 aluminum
Length
70mm
Rise
Clamp Diameter
31.8mm
Stack
40mm
Bar Attachment
four-bolt alloy faceplate
Claimed Weight
[100mm] 144 g
Recommended Use
mountain bike
Manufacturer Warranty
2 years

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