Full Speed Ahead SL-K Stem

The SL-K stem is designed for handlebars with a 31.8mm clamp diameter, which is the standard size for most modern mountain bike bars. Please double-check your current handlebar specifications before purchasing to ensure a proper fit.

This manufacturing process allows the stem to achieve an ideal balance between weight and strength. By forging the aluminum first and then refining it with CNC machining, FSA creates a component that is stiff enough for aggressive trail riding without adding unnecessary bulk.

A 12-degree angle is relatively aggressive, meaning it will position your handlebars lower than a stem with a smaller rise or a flat zero-degree angle. This setup is generally preferred by riders looking to put more weight over the front wheel for better climbing traction and precise steering control.

Yes, the SL-K stem includes a durable four-bolt cold-forged alloy faceplate and chromoly bolts. You will have everything needed to securely attach your handlebars to your steerer tube right out of the box.

Absolutely. The SL-K is specifically engineered for mountain biking, utilizing AL2014 aluminum and a robust four-bolt faceplate design. It is built to handle the stresses of trail riding while maintaining a reliable, stiff connection for confident handling.