FSA Afterburner Stem
Best lightweight upgrade for mountain bikers seeking durability and sleek aesthetics.
A reliable, high-strength component built for mountain biking performance. It balances weight and stiffness through precision machining, offering a secure, responsive connection for aggressive trail riding.
$92.00
at
Airpark Bike Co
More Afterburner options
Who it's for
- Cross-country and trail riders seeking a balance of weight and strength
- Cyclists who value a professional and understated look for their bike
- Performance-oriented riders prioritizing safety and stable handling on technical terrain
Who should skip it
- Endurance riders looking for maximum vibration damping on long journeys
- All-weather commuters or coastal riders concerned about long-term hardware oxidation
- Weight-conscious racers aiming for the absolute lightest possible build
Performance breakdown
Structural Integrity
3D forged alloy construction provides exceptional stiffness for aggressive trail riding.
Weight Efficiency
Solid weight-to-strength ratio, though not the lightest option for weight-weenie builds.
Clamping Security
Four-bolt faceplate design ensures handlebars stay locked during technical descents.
Installation Ease
Standard threadless design makes cockpit swaps straightforward for most home mechanics.
Finish Durability
Anodized coating resists trail debris and weather damage effectively over time.
Cockpit Versatility
Standard dimensions ensure compatibility with a wide range of mountain bike setups.
Key Specs
Material
6061-T6 Alloy
Weight
144 grams
Stem Length
90 mm
Stem Angle
12 degrees
Steerer Tube Clamp Diameter
28.6 mm
Handlebar Clamp Diameter
31.8 mm
Stack Height
40 mm
Stem Type
Threadless
Intended Use
MTB
Removable Faceplate
Yes
Know before you buy
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Ask Metto anything about the FSA Afterburner Stem before you decide.