The Rotor 3d30 Crankset is a high-quality cycling component made from lightweight aluminium, with 51/36 specialties T.A chain,designed with a 170mm length and featuring a built-in power meter for precise measurement of exertion. The sleek black finish adds a stylish touch to any bike, while the spider type design ensures optimal performance and durability. Ideal for serious cyclists looking to track their power output and improve their training regime, this crankset from Rotor is a top choice for those seeking precision and efficiency in their cycling experience.