The product is an unbranded 27” Aero Rim in black color with a 28 hole design, designed for single speed/fixie, road, and cyclocross bikes. Made of lightweight aluminum, this rim has an 18 internal diameter and 23 outer diameter, making it suitable for 27-inch tires with a Presta valve type. With its sleek black color and aero design, this rim offers both performance and style for cyclists looking to upgrade their wheels. NOS