FSA Afterburner Stem 31.8mm Clamp Diameter 90mm Length ±12° Angle MTB Use – Alloy MFPN=8508 60 % Carbon 16/9: A

60 % Carbon 16/9: A 60% Carbon shaft with a 16mm diameter at the top that tapers down to 9mm near the tip

A confidence-building off-track boot that still feels smooth in-track

Typical charging time: 4-4

Heat-treated tool steel construction for strength and durability

Model S-RC3 Front/Rear Rear (3sp) Axle/Spacing (mm) 13/32"x116 Nutted Hole 32 Spoke J-Bend Brake Coaster Color Silver Weight 1290g

FSA Afterburner Stem 31.8mm Clamp Diameter 90mm Length ±12° Angle MTB Use – Alloy MFPN=8508 60 % Carbon 16/9: AThe 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.