absoluteBLACK is a premium bicycle component brand designed in England and manufactured in the EU using German materials, best known for its scientifically proven oval chainrings. Independent studies by the University of Primorska, Slovenia have shown that absoluteBLACK oval chainrings deliver up to 9% greater pedalling effectiveness and reduce heart rate by up to 10% compared with traditional round chainrings — meaning you can ride longer, faster and with less effort. With meticulous attention to detail, top-tier engineering and a science-backed performance edge, absoluteBLACK is a go-to choice for serious road and mountain bike riders.