FSA Afterburner Stem 31.8mm Clamp Diameter 120mm Length ±12° Angle MTB Use – Alloy Frame Mount Width-39.9 Tubular heat-treated 4130 crmo arms

Tubular heat-treated 4130 crmo arms & crmo axle

Auto Tension Adjustment Concept for easy engagement and dependable release

Perfectly suitable for your e-bike

The robust slip clutch guarantees a clearly audible and tactile trigger signal when the set torque value is reached and it is therefore impossible to apply any further torque

} 3/8" hex bolt and washer set

FSA Afterburner Stem 31.8mm Clamp Diameter 120mm Length ±12° Angle MTB Use – Alloy Frame Mount Width-39.9 Tubular heat-treated 4130 crmo armsFull Speed Ahead Afterburner Stem31. 8x120mm + 12. The FSA Afterburner Stem is a robust and versatile option for mountain bikers tackling aggressive trails. Built from forged aluminum it offers a strong lightweight platform for precise steering and durability. Its trail ready design makes it a dependable choice for riders who demand control and confidence on technical terrain.