Enhance your road, track, or fixed-gear riding with the ROLLCii RDA21RM aluminum rim brake rim—designed for performance, style, and versatility. Prefer aluminum over carbon? The RDA21RM features a 27mm aerodynamic profile for improved speed and a lightweight build for effortless climbing. Its tubeless-ready design combine functionality with sleek aesthetics. Proudly crafted in Taiwan, this rim is ideal for custom wheel builds, ready to take on any adventure.