Front hub with oversized Al7075-T6 CNC machined body and axle, radial lacing compatible, external bearing preload system, several anodized colours available. 70g. Rear hub with oversized Al7075-T6 CNC machined body and axle, external bearing preload system, Al7075-T6 free wheel Shimano/SRAM 9-10s compatible, several anodized colours available. 198g.