Upgrade your bicycle's rear hub with the genuine Sturmey Archer Small Parts Rear Axle Nut Dome HMN-388 - a high-quality, reliable component essential for optimal bike performance. Crafted with precision engineering and durable materials, this replacement part ensures your hub assembly remains secure and functions smoothly for miles to come. Materials & Construction: Made from rugged, corrosion-resistant metals, the Sturmey Archer HMN-388 dome axle nut guarantees long-lasting durability even under demanding riding conditions. Its robust design withstands environmental exposure, providing peace of mind during both everyday commuting and challenging trail rides. Performance & Engineering: Designed specifically for compatibility with Sturmey Archer rear hubs, this axle nut dome offers a secure fit that maintains proper alignment of the rear axle. Its precise engineering minimizes play, reduces wear on hub components, and helps maintain efficient power transfer, enhancing overall riding performance. Components & Technology: As a genuine Sturmey Archer replacement part, the HMN-388 features seamless integration with their renowned internally geared hubs. The nut dome design simplifies installation and adjustment, ensuring a snug and secure fit for your bike's rear axle system. Style & Use Case: With a sleek, minimalist appearance, this component complements both vintage and modern bike aesthetics. Ideal for bicycle enthusiasts, repair professionals, and cycle shops, the Sturmey Archer rear axle nut dome is perfect for maintenance, upgrades, or assembling a custom bike build. Innovative Features: The HMN-388's compatibility with Sturmey Archer's renowned hub systems ensures you're investing in a component with a proven track record of reliability and performance. A genuine replacement part, it guarantees peace of mind and preserves the integrity of your bicycle's drivetrain. Item Specifications: - Gears: Rear Axle Nut Dome - Compatibility: Sturmey Archer hubs - Size: 13/3