The Ultegra R8100 4iiii power Meter Chainset 172.5 is a high-quality cycling accessory designed for indoor and outdoor use. Made by Shimano, known for their precision engineering, this spider-type chainset is crafted from durable aluminium material in a sleek black colour. It provides accurate power measurements, making it essential for cyclists looking to track their performance and improve their training effectiveness. With a reliable power source powered by batteries, this Ultegra FC-R8100 model is a must-have for serious cyclists looking to enhance their fitness and skills. used good condition. power meter works fine. switched to dual power meter pedals
