The E*thirteen Sidekick Boost Hub HR is a high-quality rear hub designed for demanding cyclists. With a hub width of 12 mm and an axle diameter of 148 mm, it provides a stable and reliable base for various bike configurations. The hub features 28 holes, ensuring optimal spoke tension and distribution. It is designed for use with SRAM XD freehub bodies, allowing for broad compatibility with modern drivetrain systems. The hub is available in an appealing color combination of black and sterling silver, which is both functional and aesthetically pleasing. Weighing only 0.2 kg, it is lightweight and does not add unnecessary weight to the overall bike. Manufactured in Taiwan, the hub meets high-quality standards and is ideal for mountain biking or sporty use. The Sidekick Boost Hub is an excellent choice for those who value performance and durability.