Finish Line Fiber Grip

Carbon fiber components are slippery and can be easily damaged if you tighten bolts too much to keep them in place. Fiber Grip adds texture to the surface, allowing you to secure parts like seatposts and handlebars at lower torque settings, which protects the carbon from cracking.

While it is specifically formulated for carbon fiber, it is safe to use on aluminum parts as well. It is particularly helpful if you have a carbon seatpost inside an aluminum frame, as it prevents the two materials from seizing together over time.

Yes, it contains small abrasive particles that create the necessary friction, so you will see a gritty residue where it is applied. It is easy to wipe off with a clean rag when you need to adjust or remove the component.

A 16-ounce tub is a significant amount and will likely last a home mechanic for many years, as you only need a very thin layer for each application. If you only work on your own bike occasionally, you might find a smaller tube more practical, but this size is excellent value if you maintain multiple bikes or have a busy workshop.

You generally only need to reapply it when you remove or adjust the component. If you notice your seatpost slipping or your handlebars shifting, it is a good sign that the compound has worn down and needs a fresh application.