1. Construction: The MT006 Bicycle Hubs are designed with aluminum alloy, ensuring maximum strength and durability for your adventures. 2. Smooth Performance: Featuring bearings, these hubs provide exceptional smoothness and efficiency, enhancing your bike's overall performance on various terrains. 3. Versatile Compatibility: With 32 holes, the MT006 Bicycle Hubs are compatible with a wide range of wheel setups, making them an ideal choice for both casual riders and serious mountain . 4. Design: The aluminum alloy construction of the MT006 Bicycle Hubs reduces overall bike weight, allowing for improved speed and agility on the trails. 5. Easy Installation: Designed for user-friendly installation, the MT006 Bicycle Hubs allow cyclists to quickly upgrade their bicycles, ensuring a hassle-free experience while maintaining top- performance. Color: Black Material: aluminum alloy Package Contents: 1 set * Bicycle Hubs Hub Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.