Zeppin Racing Aluminum 7075 0Deg Rear Hubs for XRAY T4/T3 Posted on July 29, 2012 by Admin in These Zeppin Racing Aluminum 7075 0Deg Rear Hubs are designed for XRAY T4 & T3, which are more durable than stock plastic version. The parts have been lightened yet still reserving their durability, which only weight 9g (1 pair)