These Miche Racing Box Hubs are economically priced and feature the reliable, Italian made Miche quality construction. These hubs are a good foundation for a solid wheel set. Should you be using them for Sportive events, weekend races or training rides, these hubs will provide excellent performance. They feature a forged 7075 Aluminium body and sealed bearings, which ensures they remain lightweight, sturdy and reliable throughout use Features: Material: Aluminium 7075Axle Width: Front: 100mm; Rear: 130mmBearings: SealedWeight: 433g