The Crankbrothers Cobalt 3 aluminum rim is a high-quality bicycle rim designed specifically for demanding cyclists. With a diameter of 27.5 inches and an internal width of 21 millimeters, it offers an optimal balance between stability and weight. The rim is made from durable aluminum, making it both lightweight and long-lasting. The height of the rim is also 21 millimeters, contributing to its stiffness and overall performance. The appealing color combination of black and red gives the rim a modern and sporty look. Weighing only 0.5 kilograms, it is an excellent choice for those who value lightness and efficiency. This rim is suitable for both front and rear wheels and features 24 holes, allowing for versatile use. The Crankbrothers Cobalt 3 aluminum rim is ideal for mountain bikes and provides reliable performance on various terrains.