FSA Afterburner Stem
Best lightweight upgrade for cross country and trail mountain bikers.
A reliable, stiff, and lightweight option for riders seeking a solid cockpit connection. The forged alloy construction provides excellent durability without the weight penalty, making it a dependable choice for everyday riding and training.
$69.89
at
Amazon
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Who it's for
- Aggressive trail riders seeking maximum control and steering precision
- Cross-country and trail cyclists who value adjustable handlebar positioning
- Mountain bikers prioritizing long-term component reliability over marginal weight savings
Who should skip it
- Weight-conscious racers looking to minimize every gram on their build
- Custom bike builders desiring a more premium or flashy aesthetic
- Endurance riders seeking a softer feel to reduce hand fatigue
Performance breakdown
Steering Stiffness
CNC-machined alloy provides a rigid, responsive feel during aggressive cornering.
Weight Efficiency
Solid weight for the price, though lighter carbon options exist.
Clamp Security
Four-bolt faceplate ensures a rock-solid, slip-free connection to your bars.
Build Quality
3D forged construction offers impressive durability for daily trail abuse.
Installation Ease
Standard threadless design makes swapping this stem a straightforward task.
Aesthetic Integration
Understated finish blends seamlessly with almost any modern bike build.
Key Specs
Material
6061-T6 Alloy
Weight
144 grams
Stem Length
100 mm
Stem Angle
6 degrees
Handlebar Clamp Diameter
31.8 mm
Steerer Tube Clamp Diameter
28.6 mm
Stack Height
40 mm
Number of Bolts (Handlebar Clamp)
4
Construction Method
3D forged and CNC machined
Removable Faceplate
Yes
Know before you buy
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Ask Metto anything about the FSA Afterburner Stem before you decide.
