Features1Our hubs are compatible with 8-11 speed cassettes and feature a four-claw base. 2They also support front and rear disc brakes, making them ideal for riders who require superior stopping power. 3Constructed from high grade alloy and crafted with CNC precision technology, these hubs are both lightweight and highly durable. 4The high-density serrated teeth interlock tightly, ensuring a firm grip with just a slight stepping angle, thus minimizing force loss. 5The packaging contains two quick-release levers, which are easy to install and quick to remove!SpecificationExperience smoother rides and better performance with this bike hubs - for high-performance mountain and road biking. Our hubs feature a CNC-machined axle for a lighter weight and stronger structure.Features:Our hubs are compatible with 8-11 speed cassettes and feature a four-claw base.They also support front and rear disc brakes, making them ideal for riders who require superior stopping power.Constructed from high grade 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.The packaging contains two quick-release levers, which are easy to install and quick to remove!Specifications:Material: AlloyColor: Black/ Red (optional)Spoke : 32H/36H (optional)Bearing : Front 2 / Rear 4Size:Front: 100*9mmRear: 135*10mmWeight : 493g/ 17.4ozPackage list:1 * pair of bike hubs1 * pair of quick release leversPackage List1 * pair of bike hubs1 * pair of quick release levers