Features： 1、This is a 32-hole MTB front and rear hub with a thru axle and HG freehub. 2、Our hubs are compatible with 8/9/10/11/12/13 speed cassettes and feature a six-claw base. 3、They also support front and rear disc brakes, making them ideal for riders who require superior stopping power. 4、Constructed from aerospace-grade aluminum alloy and crafted with CNC precision technology, these hubs are both lightweight and highly durable. 5、The high-density serrated teeth interlock tightly, ensuring a firm grip with just a slight stepping angle, thus minimizing force loss. Specification： Experience smoother rides and better performance with this bike hubs - perfect for high-performance mountain and road biking. Our hubs feature a CNC-machined axle and 32 holes for a lighter weight and stronger structure. Features: This is a 32-hole MTB front and rear hub with a thru axle and HG freehub.  Our hubs are compatible with 8/9/10/11/12/13 speed cassettes and feature a six-claw base.  They also support front and rear disc brakes, making them ideal for riders who require superior stopping power.  Constructed from aerospace-grade aluminum alloy and crafted with CNC precision technology, these hubs are both lightweight and highly durable.  The high-density serrated teeth interlock tightly, ensuring a firm grip with just a slight stepping angle, thus minimizing force loss. Specifications: Material: Alloy alloy Color: Black/ Red/ Orange/ Green/ Purple/ Colorful (optional) Size:  Front: 1.5*10cm/0.9*10cm; Rear 1.2*14.2cm/1*13.5cm Package weight: 661g/ 23.3oz Package list: 1 * pair of bike hubs Package List： 1 * pair of bike hubs