Built for riders who demand premium performance, refined aesthetics, and long-term durability, Wolf Tooth Road/Gravel Rear Hubs are precision-machined in Minnesota from aerospace-grade 7075-T6 aluminum. Designed to be the foundation of a high-performance wheelset, these hubs deliver exceptional power transfer, smooth rolling efficiency, and easy serviceability. Featuring the ENVE INNERDRIVE system and lightweight construction, they are engineered to provide reliable performance for road racing, endurance riding, and gravel adventures.Precision CNC-machined from aerospace-grade 7075-T6 aluminum for an optimal balance of strength, stiffness, and weight40t ENVE Innerdrive system provides immediate engagement for efficient power transfer customizable with optional ratchet rings (Sold Separately)Engineered for low rolling resistance and long-lasting durabilityOptimized bearing system promotes smooth performance and extended service lifeFully serviceable design with replacement parts available for long-term maintenance and repairPrecision-machined and assembled in Minnesota, USAAvailable in a range of anodized color options to complement custom bike buildsDesigned for high-performance road and gravel wheel buildsBacked by Wolf Tooth's commitment to quality, support, and rider-focused engineeringItem SpecificationsBearing TypeSealed CartridgeCassette Body TypeShimano Micro SplineColorBlackDefined ColorBlackHub Drilling24Hub/Brake CompatibilityCenter-Lock DiscRear Axle12mm Thru x 142mmSkewer IncludedNoSpoke InterfaceStraight PullTooth Count40Weight224 Wolf Tooth Road/Gravel Rear Hub Rear Hub UPC: 810159404433 MPN: HRS24-242-MS40-BLK