Comet Stem

What Our Gearhead® Experts Are Saying:

"I use the Comet Stem on my trail bike because it delivers that ideal blend of weight savings and control. The forged aluminum design keeps the front end feeling solid through chunky terrain, and the ±6° rise lets me fine-tune reach and comfort. It’s a simple, strong, and efficient stem that handles abuse without flex or fuss."

Built for riders chasing balance between lightweight efficiency and strength, the FSA Comet Stem brings reliable performance to mountain and trail setups. Crafted from 3D-forged aluminum and CNC-machined for precision, it minimizes excess weight while maintaining stiffness where it matters most. The 31.8mm clamp interface pairs seamlessly with modern handlebars, and its ±6° angle provides the flexibility to dial cockpit fit for climbing comfort or descending control.

A bead-blasted anodized black finish resists corrosion and gives a clean aesthetic, while chromoly hardware keeps every bolt secure under high torque. With its 40mm stack height and 129g weight in the 80mm option, the Comet Stem is a perfect match for trail riders, XC racers, and anyone who values responsive steering and dependable strength. Whether building up a new ride or refining your fit, this stem delivers pro-level precision in a