Beyond an incremental improvement. The Flattop technology of the SRAM Force chain creates a lighter, quieter, stronger chain. Ride far, long and fast-this chain can go the distance. -Flattop technology allows for a narrower chain with quieter operation and increased strength and durability -Hard Chrome plated inner and outer plates allow for faster and more precise shifts -Requires Flattop Powerlock -Compatible only with eTap AXS rear derailleurs