The OneUp Components Switch Carrier was developed to diminish the cost of replacement chainrings, enhance compatibility with new offsets, and to speed up and simplify the process of changing your chainring. Forged from light, strong 7075-T6 aluminum, the Switch Carrier lets you tailor your gearing to the terrain that you're riding in a pinch--replace your ring in less than a minute with just a 4mm hex key. It doesn't require you to remove a crank, spider, or carry multiple tools with you to make a simple gear change.