The Rotor 3D+ crankset is designed for road bikes with a 30mm spindle and 110 BCD oval rings. It features a 170mm arm length and is made of lightweight aluminum. The crankset comes in a sleek black color and is compatible with BB30 bottom bracket shell type. With its double chainrings and integrated spider, the Rotor 3D+ offers high performance and durability for cyclists looking to upgrade their bicycle components.