Ultralightweight design: The HASSNS 32hole hubs are engineered to minimize weight, helping reduce overall bike weight and improve acceleration and handling on your rides. Increased durability: With 32hole construction, these hubs offer greater strength and durability to withstand varied terrains and riding conditions for longlasting performance. Smooth and efficient performance: The hub enables smooth rotation and reduced friction, contributing to a more comfortable and efficient riding experience. Convenient installation: Designed for easy installation for both professional bike mechanics and DIY enthusiasts. Follow the included instructions to install quickly and with confidence. Use scenarios Road cycling upgrades: Install on road wheels to improve speed and efficiency for long training rides and daily commutes. Mountain biking and rough terrains: Use on mountain bike wheels for enhanced durability and reliable performance on rocky trails and uneven surfaces. or home workshop upgrades: worn hubs or assemble wheels with confidence, improving overall wheel performance and serviceability.